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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