Respuesta :

Answer: x= 12

Hope that helps :)
b0yari2hyuga
3x = 72 - 3x

Move the 72 to the left side and the 3x to the right side.

-72 = -3x - 3x

Add the two -3x’s on the right side.

-72 = -6x

Divide by -6 on both sides.

12 = x

The answer is x = 12