matematica
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
=
60x
=
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
=
6Comprobación
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...
Regístrate para leer el documento completo.