ECUACIONES

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

...