Respuesta :

EnergyStudies

Answer:

x = -7

Step-by-step explanation:

1) simplify

6x + 42 = 0

2) subtract 42 from both sides

6x = -42

3) divide both sides by 6

x = -7
3[4x – 2(x –6)] + 6 = 0
3[4x-2x+12]+6=0
3[2x+12]+6=0
6x+36+6=0
6x+42=0
-42=-42
6x=-42
— —
6 6
x=-7

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