Question

valor de x en la ecuacion
4x = 2x - 12

Answer 1

4x = 2x - 12

4x - 2x = - 12

2x = - 12

x = - 12/2

x = - 6

Answer 2

Respuesta:

$4x = 2x - 12 \\ 4x - 2x = - 12 \\ - 2x = - 12 \\ x = - 12 \div ( - 2) \\ x = - 12 \times ( - \frac{1}{2} ) \\ x = 6$

Espero te sirva