| Ejercicio 1 | ||
x-15 | = | -27 |
x | = | -27+15 |
x | = | -12 |
| | ||
| |
Comprobación |
-12-15 | = | -27 |
| | ||
-27 | = | -27 |
| www.esmaschido.com |
| Ejercicio 2 | ||
-11x+12 | = | 144 |
-11x | = | 144-12 |
-11x | = | 132 |
x | = | 132/-11 |
x | = | -12 |
Comprobación |
-11(-12)+12 | = | 144 |
132+12 | = | 144 |
144 | = | 144 |
| www.esmaschido.com |
| Ejercicio 3 | ||
-8x-15 | = | -111 |
-8x | = | -111+15 |
-8x | = | -96 |
x | = | -96/-8 |
x | = | 12 |
Comprobación |
-8(12)-15 | = | -111 |
-96-15 | = | -111 |
-111 | = | -111 |
| www.esmaschido.com |
| Ejercicio 4 | ||
6x-10 | = | -16 |
6x | = | -16+10 |
6x | = | -6 |
x | = | -6/6 |
x | = | -1 |
Comprobación |
6(-1)-10 | = | -16 |
-6-10 | = | -16 |
-16 | = | -16 |
| www.esmaschido.com |
| Ejercicio 5 | ||
-15x-6 | = | 9 |
-15x | = | 9+6 |
-15x | = | 15 |
x | = | 15/-15 |
x | = | -1 |
Comprobación |
-15(-1)-6 | = | 9 |
15-6 | = | 9 |
9 | = | 9 |
| www.esmaschido.com |
| Ejercicio 6 | ||
12x+12 | = | 72 |
12x | = | 72-12 |
12x | = | 60 |
x | = | 60/12 |
x | = | 5 |
Comprobación |
12(5)+12 | = | 72 |
60+12 | = | 72 |
72 | = | 72 |
| www.esmaschido.com |
| Ejercicio 7 | ||
-10x+9 | = | -81 |
-10x | = | -81-9 |
-10x | = | -90 |
x | = | -90/-10 |
x | = | 9 |
Comprobación |
-10(9)+9 | = | -81 |
-90+9 | = | -81 |
-81 | = | -81 |
| www.esmaschido.com |
| Ejercicio 8 | ||
5x-15 | = | 15 |
5x | = | 15+15 |
5x | = | 30 |
x | = | 30/5 |
x | = | 6 |
Comprobación |
5(6)-15 | = | 15 |
30-15 | = | 15 |
15 | = | 15 |
| www.esmaschido.com |
| Ejercicio 9 | ||
2x-13 | = | -19 |
2x | = | -19+13 |
2x | = | -6 |
x | = | -6/2 |
x | = | -3 |
Comprobación |
2(-3)-13 | = | -19 |
-6-13 | = | -19 |
-19 | = | -19 |
| www.esmaschido.com |
| Ejercicio 10 | ||
7x+5 | = | -100 |
7x | = | -100-5 |
7x | = | -105 |
x | = | -105/7 |
x | = | -15 |
Comprobación |
7(-15)+5 | = | -100 |
-105+5 | = | -100 |
-100 | = | -100 |
| www.esmaschido.com |
| Ejercicio 11 | ||
-12x-15 | = | 9 |
-12x | = | 9+15 |
-12x | = | 24 |
x | = | 24/-12 |
x | = | -2 |
Comprobación |
-12(-2)-15 | = | 9 |
24-15 | = | 9 |
9 | = | 9 |
| www.esmaschido.com |
| Ejercicio 12 | ||
5x-14 | = | -74 |
5x | = | -74+14 |
5x | = | -60 |
x | = | -60/5 |
x | = | -12 |
Comprobación |
5(-12)-14 | = | -74 |
-60-14 | = | -74 |
-74 | = | -74 |
| www.esmaschido.com |
| Ejercicio 13 | ||
13x-13 | = | 169 |
13x | = | 169+13 |
13x | = | 182 |
x | = | 182/13 |
x | = | 14 |
Comprobación |
13(14)-13 | = | 169 |
182-13 | = | 169 |
169 | = | 169 |
| www.esmaschido.com |
| Ejercicio 14 | ||
x-3 | = | -13 |
x | = | -13+3 |
x | = | -10 |
| | ||
| |
Comprobación |
-10-3 | = | -13 |
| | ||
-13 | = | -13 |
| www.esmaschido.com |
| Ejercicio 15 | ||
6x+10 | = | -38 |
6x | = | -38-10 |
6x | = | -48 |
x | = | -48/6 |
x | = | -8 |
Comprobación |
6(-8)+10 | = | -38 |
-48+10 | = | -38 |
-38 | = | -38 |
| www.esmaschido.com |
| Ejercicio 16 | ||
6x-9 | = | -27 |
6x | = | -27+9 |
6x | = | -18 |
x | = | -18/6 |
x | = | -3 |
Comprobación |
6(-3)-9 | = | -27 |
-18-9 | = | -27 |
-27 | = | -27 |
| www.esmaschido.com |
| Ejercicio 17 | ||
-3x+3 | = | -33 |
-3x | = | -33-3 |
-3x | = | -36 |
x | = | -36/-3 |
x | = | 12 |
Comprobación |
-3(12)+3 | = | -33 |
-36+3 | = | -33 |
-33 | = | -33 |
| www.esmaschido.com |
| Ejercicio 18 | ||
-4x+8 | = | 4 |
-4x | = | 4-8 |
-4x | = | -4 |
x | = | -4/-4 |
x | = | 1 |
Comprobación |
-4(1)+8 | = | 4 |
-4+8 | = | 4 |
4 | = | 4 |
| www.esmaschido.com |
| Ejercicio 19 | ||
-14x-7 | = | 77 |
-14x | = | 77+7 |
-14x | = | 84 |
x | = | 84/-14 |
x | = | -6 |
Comprobación |
-14(-6)-7 | = | 77 |
84-7 | = | 77 |
77 | = | 77 |
| www.esmaschido.com |
| Ejercicio 20 | ||
8x-5 | = | -109 |
8x | = | -109+5 |
8x | = | -104 |
x | = | -104/8 |
x | = | -13 |
Comprobación |
8(-13)-5 | = | -109 |
-104-5 | = | -109 |
-109 | = | -109 |
| www.esmaschido.com |
| Ejercicio 21 | ||
2x+6 | = | -12 |
2x | = | -12-6 |
2x | = | -18 |
x | = | -18/2 |
x | = | -9 |
Comprobación |
2(-9)+6 | = | -12 |
-18+6 | = | -12 |
-12 | = | -12 |
| www.esmaschido.com |
| Ejercicio 22 | ||
-13x-6 | = | -97 |
-13x | = | -97+6 |
-13x | = | -91 |
x | = | -91/-13 |
x | = | 7 |
Comprobación |
-13(7)-6 | = | -97 |
-91-6 | = | -97 |
-97 | = | -97 |
| www.esmaschido.com |
| Ejercicio 23 | ||
-12x-14 | = | -14 |
-12x | = | -14+14 |
-12x | = | 0 |
x | = | 0/-12 |
x | = | 0 |
Comprobación |
-12(0)-14 | = | -14 |
0-14 | = | -14 |
-14 | = | -14 |
| www.esmaschido.com |
| Ejercicio 24 | ||
8x+14 | = | -2 |
8x | = | -2-14 |
8x | = | -16 |
x | = | -16/8 |
x | = | -2 |
Comprobación |
8(-2)+14 | = | -2 |
-16+14 | = | -2 |
-2 | = | -2 |
| www.esmaschido.com |
| Ejercicio 25 | ||
-12x+14 | = | 98 |
-12x | = | 98-14 |
-12x | = | 84 |
x | = | 84/-12 |
x | = | -7 |
Comprobación |
-12(-7)+14 | = | 98 |
84+14 | = | 98 |
98 | = | 98 |
| www.esmaschido.com |
| Ejercicio 26 | ||
4x+11 | = | -29 |
4x | = | -29-11 |
4x | = | -40 |
x | = | -40/4 |
x | = | -10 |
Comprobación |
4(-10)+11 | = | -29 |
-40+11 | = | -29 |
-29 | = | -29 |
| www.esmaschido.com |
| Ejercicio 27 | ||
-10x+5 | = | 35 |
-10x | = | 35-5 |
-10x | = | 30 |
x | = | 30/-10 |
x | = | -3 |
Comprobación |
-10(-3)+5 | = | 35 |
30+5 | = | 35 |
35 | = | 35 |
| www.esmaschido.com |
| Ejercicio 28 | ||
14x+13 | = | -71 |
14x | = | -71-13 |
14x | = | -84 |
x | = | -84/14 |
x | = | -6 |
Comprobación |
14(-6)+13 | = | -71 |
-84+13 | = | -71 |
-71 | = | -71 |
| www.esmaschido.com |
| Ejercicio 29 | ||
-4x+9 | = | 33 |
-4x | = | 33-9 |
-4x | = | 24 |
x | = | 24/-4 |
x | = | -6 |
Comprobación |
-4(-6)+9 | = | 33 |
24+9 | = | 33 |
33 | = | 33 |
| www.esmaschido.com |
| Ejercicio 30 | ||
x-8 | = | -17 |
x | = | -17+8 |
x | = | -9 |
| | ||
| |
Comprobación |
-9-8 | = | -17 |
| | ||
-17 | = | -17 |
| www.esmaschido.com |
| Ejercicio 31 | ||
-3x+3 | = | -30 |
-3x | = | -30-3 |
-3x | = | -33 |
x | = | -33/-3 |
x | = | 11 |
Comprobación |
-3(11)+3 | = | -30 |
-33+3 | = | -30 |
-30 | = | -30 |
| www.esmaschido.com |
| Ejercicio 32 | ||
11x+3 | = | 58 |
11x | = | 58-3 |
11x | = | 55 |
x | = | 55/11 |
x | = | 5 |
Comprobación |
11(5)+3 | = | 58 |
55+3 | = | 58 |
58 | = | 58 |
| www.esmaschido.com |
| Ejercicio 33 | ||
x-15 | = | -5 |
x | = | -5+15 |
x | = | 10 |
| | ||
| |
Comprobación |
10-15 | = | -5 |
| | ||
-5 | = | -5 |
| www.esmaschido.com |
| Ejercicio 34 | ||
-5x-8 | = | -3 |
-5x | = | -3+8 |
-5x | = | 5 |
x | = | 5/-5 |
x | = | -1 |
Comprobación |
-5(-1)-8 | = | -3 |
5-8 | = | -3 |
-3 | = | -3 |
| www.esmaschido.com |
| Ejercicio 35 | ||
-2x+13 | = | -11 |
-2x | = | -11-13 |
-2x | = | -24 |
x | = | -24/-2 |
x | = | 12 |
Comprobación |
-2(12)+13 | = | -11 |
-24+13 | = | -11 |
-11 | = | -11 |
| www.esmaschido.com |
| Ejercicio 36 | ||
8x+12 | = | -12 |
8x | = | -12-12 |
8x | = | -24 |
x | = | -24/8 |
x | = | -3 |
Comprobación |
8(-3)+12 | = | -12 |
-24+12 | = | -12 |
-12 | = | -12 |
| www.esmaschido.com |
| Ejercicio 37 | ||
9x-9 | = | -72 |
9x | = | -72+9 |
9x | = | -63 |
x | = | -63/9 |
x | = | -7 |
Comprobación |
9(-7)-9 | = | -72 |
-63-9 | = | -72 |
-72 | = | -72 |
| www.esmaschido.com |
| Ejercicio 38 | ||
-9x+13 | = | 94 |
-9x | = | 94-13 |
-9x | = | 81 |
x | = | 81/-9 |
x | = | -9 |
Comprobación |
-9(-9)+13 | = | 94 |
81+13 | = | 94 |
94 | = | 94 |
| www.esmaschido.com |
| Ejercicio 39 | ||
x+14 | = | 17 |
x | = | 17-14 |
x | = | 3 |
| | ||
| |
Comprobación |
3+14 | = | 17 |
| | ||
17 | = | 17 |
| www.esmaschido.com |
| Ejercicio 40 | ||
3x-13 | = | -1 |
3x | = | -1+13 |
3x | = | 12 |
x | = | 12/3 |
x | = | 4 |
Comprobación |
3(4)-13 | = | -1 |
12-13 | = | -1 |
-1 | = | -1 |
| www.esmaschido.com |
| Ejercicio 41 | ||
-7x-7 | = | 42 |
-7x | = | 42+7 |
-7x | = | 49 |
x | = | 49/-7 |
x | = | -7 |
Comprobación |
-7(-7)-7 | = | 42 |
49-7 | = | 42 |
42 | = | 42 |
| www.esmaschido.com |
| Ejercicio 42 | ||
-5x-3 | = | -33 |
-5x | = | -33+3 |
-5x | = | -30 |
x | = | -30/-5 |
x | = | 6 |
Comprobación |
-5(6)-3 | = | -33 |
-30-3 | = | -33 |
-33 | = | -33 |
| www.esmaschido.com |
| Ejercicio 43 | ||
-14x+5 | = | -121 |
-14x | = | -121-5 |
-14x | = | -126 |
x | = | -126/-14 |
x | = | 9 |
Comprobación |
-14(9)+5 | = | -121 |
-126+5 | = | -121 |
-121 | = | -121 |
| www.esmaschido.com |
| Ejercicio 44 | ||
-4x+5 | = | 17 |
-4x | = | 17-5 |
-4x | = | 12 |
x | = | 12/-4 |
x | = | -3 |
Comprobación |
-4(-3)+5 | = | 17 |
12+5 | = | 17 |
17 | = | 17 |
| www.esmaschido.com |
| Ejercicio 45 | ||
-x-7 | = | 0 |
-x | = | 0+7 |
-x | = | 7 |
x | = | 7/-1 |
x | = | -7 |
Comprobación |
-(-7)-7 | = | 0 |
7-7 | = | 0 |
0 | = | 0 |
| www.esmaschido.com |
| Ejercicio 46 | ||
-15x+4 | = | 139 |
-15x | = | 139-4 |
-15x | = | 135 |
x | = | 135/-15 |
x | = | -9 |
Comprobación |
-15(-9)+4 | = | 139 |
135+4 | = | 139 |
139 | = | 139 |
| www.esmaschido.com |
| Ejercicio 47 | ||
8x+9 | = | 17 |
8x | = | 17-9 |
8x | = | 8 |
x | = | 8/8 |
x | = | 1 |
Comprobación |
8(1)+9 | = | 17 |
8+9 | = | 17 |
17 | = | 17 |
| www.esmaschido.com |
| Ejercicio 48 | ||
-6x+9 | = | 63 |
-6x | = | 63-9 |
-6x | = | 54 |
x | = | 54/-6 |
x | = | -9 |
Comprobación |
-6(-9)+9 | = | 63 |
54+9 | = | 63 |
63 | = | 63 |
| www.esmaschido.com |
| Ejercicio 49 | ||
14x-3 | = | 165 |
14x | = | 165+3 |
14x | = | 168 |
x | = | 168/14 |
x | = | 12 |
Comprobación |
14(12)-3 | = | 165 |
168-3 | = | 165 |
165 | = | 165 |
| www.esmaschido.com |
| Ejercicio 50 | ||
14x-14 | = | 98 |
14x | = | 98+14 |
14x | = | 112 |
x | = | 112/14 |
x | = | 8 |
Comprobación |
14(8)-14 | = | 98 |
112-14 | = | 98 |
98 | = | 98 |
| www.esmaschido.com |
| Ejercicio 51 | ||
10x+2 | = | 102 |
10x | = | 102-2 |
10x | = | 100 |
x | = | 100/10 |
x | = | 10 |
Comprobación |
10(10)+2 | = | 102 |
100+2 | = | 102 |
102 | = | 102 |
| www.esmaschido.com |
| Ejercicio 52 | ||
-6x-11 | = | 55 |
-6x | = | 55+11 |
-6x | = | 66 |
x | = | 66/-6 |
x | = | -11 |
Comprobación |
-6(-11)-11 | = | 55 |
66-11 | = | 55 |
55 | = | 55 |
| www.esmaschido.com |
| Ejercicio 53 | ||
-6x-4 | = | 2 |
-6x | = | 2+4 |
-6x | = | 6 |
x | = | 6/-6 |
x | = | -1 |
Comprobación |
-6(-1)-4 | = | 2 |
6-4 | = | 2 |
2 | = | 2 |
| www.esmaschido.com |
| Ejercicio 54 | ||
6x+1 | = | -41 |
6x | = | -41-1 |
6x | = | -42 |
x | = | -42/6 |
x | = | -7 |
Comprobación |
6(-7)+1 | = | -41 |
-42+1 | = | -41 |
-41 | = | -41 |
| www.esmaschido.com |
| Ejercicio 55 | ||
-14x+2 | = | -26 |
-14x | = | -26-2 |
-14x | = | -28 |
x | = | -28/-14 |
x | = | 2 |
Comprobación |
-14(2)+2 | = | -26 |
-28+2 | = | -26 |
-26 | = | -26 |
| www.esmaschido.com |
| Ejercicio 56 | ||
-4x-3 | = | 13 |
-4x | = | 13+3 |
-4x | = | 16 |
x | = | 16/-4 |
x | = | -4 |
Comprobación |
-4(-4)-3 | = | 13 |
16-3 | = | 13 |
13 | = | 13 |
| www.esmaschido.com |
| Ejercicio 57 | ||
-6x+8 | = | 20 |
-6x | = | 20-8 |
-6x | = | 12 |
x | = | 12/-6 |
x | = | -2 |
Comprobación |
-6(-2)+8 | = | 20 |
12+8 | = | 20 |
20 | = | 20 |
| www.esmaschido.com |
| Ejercicio 58 | ||
-14x-7 | = | -63 |
-14x | = | -63+7 |
-14x | = | -56 |
x | = | -56/-14 |
x | = | 4 |
Comprobación |
-14(4)-7 | = | -63 |
-56-7 | = | -63 |
-63 | = | -63 |
| www.esmaschido.com |
| Ejercicio 59 | ||
-9x+6 | = | 141 |
-9x | = | 141-6 |
-9x | = | 135 |
x | = | 135/-9 |
x | = | -15 |
Comprobación |
-9(-15)+6 | = | 141 |
135+6 | = | 141 |
141 | = | 141 |
| www.esmaschido.com |
| Ejercicio 60 | ||
6x+3 | = | 9 |
6x | = | 9-3 |
6x | = | 6 |
x | = | 6/6 |
x | = | 1 |
Comprobación |
6(1)+3 | = | 9 |
6+3 | = | 9 |
9 | = | 9 |
| www.esmaschido.com |
| Ejercicio 61 | ||
12x+9 | = | -135 |
12x | = | -135-9 |
12x | = | -144 |
x | = | -144/12 |
x | = | -12 |
Comprobación |
12(-12)+9 | = | -135 |
-144+9 | = | -135 |
-135 | = | -135 |
| www.esmaschido.com |
| Ejercicio 62 | ||
-9x-3 | = | 24 |
-9x | = | 24+3 |
-9x | = | 27 |
x | = | 27/-9 |
x | = | -3 |
Comprobación |
-9(-3)-3 | = | 24 |
27-3 | = | 24 |
24 | = | 24 |
| www.esmaschido.com |
| Ejercicio 63 | ||
3x-12 | = | -27 |
3x | = | -27+12 |
3x | = | -15 |
x | = | -15/3 |
x | = | -5 |
Comprobación |
3(-5)-12 | = | -27 |
-15-12 | = | -27 |
-27 | = | -27 |
| www.esmaschido.com |
| Ejercicio 64 | ||
-14x-9 | = | 201 |
-14x | = | 201+9 |
-14x | = | 210 |
x | = | 210/-14 |
x | = | -15 |
Comprobación |
-14(-15)-9 | = | 201 |
210-9 | = | 201 |
201 | = | 201 |
| www.esmaschido.com |
| Ejercicio 65 | ||
3x-14 | = | -2 |
3x | = | -2+14 |
3x | = | 12 |
x | = | 12/3 |
x | = | 4 |
Comprobación |
3(4)-14 | = | -2 |
12-14 | = | -2 |
-2 | = | -2 |
| www.esmaschido.com |
| Ejercicio 66 | ||
3x-14 | = | -32 |
3x | = | -32+14 |
3x | = | -18 |
x | = | -18/3 |
x | = | -6 |
Comprobación |
3(-6)-14 | = | -32 |
-18-14 | = | -32 |
-32 | = | -32 |
| www.esmaschido.com |
| Ejercicio 67 | ||
-12x-8 | = | 76 |
-12x | = | 76+8 |
-12x | = | 84 |
x | = | 84/-12 |
x | = | -7 |
Comprobación |
-12(-7)-8 | = | 76 |
84-8 | = | 76 |
76 | = | 76 |
| www.esmaschido.com |
| Ejercicio 68 | ||
13x+3 | = | 81 |
13x | = | 81-3 |
13x | = | 78 |
x | = | 78/13 |
x | = | 6 |
Comprobación |
13(6)+3 | = | 81 |
78+3 | = | 81 |
81 | = | 81 |
| www.esmaschido.com |
| Ejercicio 69 | ||
-10x-10 | = | 10 |
-10x | = | 10+10 |
-10x | = | 20 |
x | = | 20/-10 |
x | = | -2 |
Comprobación |
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