Respuesta :
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
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