Respuesta :
Answer:
-8
Step-by-step explanation:
4x + 2x - 4 = 4x + x - 12
6x - 4 = 5x - 12
x = -8
Answer:
x = -8
Step-by-step explanation:
4x + 2(x - 2) = 4x + x - 12
4x + 2x - 4 = 4x + x - 12
6x - 4 = 5x - 12
6x - 5x = -12 + 4
x = -8
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