72=12v-4v

Solution for 72=12v-4v equation:

Simplifying
72 = 12v + -4v

Combine like terms: 12v + -4v = 8v
72 = 8v

Solving
72 = 8v

Solving for variable 'v'.

Move all terms containing v to the left, all other terms to the right.

Add '-8v' to each side of the equation.
72 + -8v = 8v + -8v

Combine like terms: 8v + -8v = 0
72 + -8v = 0

Add '-72' to each side of the equation.
72 + -72 + -8v = 0 + -72

Combine like terms: 72 + -72 = 0
0 + -8v = 0 + -72
-8v = 0 + -72

Combine like terms: 0 + -72 = -72
-8v = -72

Divide each side by '-8'.
v = 9

Simplifying
v = 9