Resolver las siguientes ecuaciones.
7 ( x + 8 ) = -7
2 ( x + 8 ) = 40 - x
7 ( x + 8 ) = -7
2 ( x + 8 ) = 40 - x
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Respuesta:
1. sale x=9
2x+x= -16+40
3x=24
x=8
2. sale X= 8
Verified answer
Respuesta:
La primera sale : X = - 9
La segunda sale: X = 8
Espero haberte ayudado :)
Explicación paso a paso:
7 ( x + 8 ) = -7
X + 8 = - 1
X = - 1 - 8
X = - 9
2 ( x + 8 ) = 40 - x
2X + 16 = 40 - X
2X + X = 40 - 16
3X = 24
X = 8