-6(-12+15h)=-3(12h+12h)

Solution for -6(-12+15h)=-3(12h+12h) equation:

Simplifying
-6(-12 + 15h) = -3(12h + 12h)
(-12 * -6 + 15h * -6) = -3(12h + 12h)
(72 + -90h) = -3(12h + 12h)

Combine like terms: 12h + 12h = 24h
72 + -90h = -3(24h)

Remove parenthesis around (24h)
72 + -90h = -3 * 24h

Multiply -3 * 24
72 + -90h = -72h

Solving
72 + -90h = -72h

Solving for variable 'h'.

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

Add '72h' to each side of the equation.
72 + -90h + 72h = -72h + 72h

Combine like terms: -90h + 72h = -18h
72 + -18h = -72h + 72h

Combine like terms: -72h + 72h = 0
72 + -18h = 0

Add '-72' to each side of the equation.
72 + -72 + -18h = 0 + -72

Combine like terms: 72 + -72 = 0
0 + -18h = 0 + -72
-18h = 0 + -72

Combine like terms: 0 + -72 = -72
-18h = -72

Divide each side by '-18'.
h = 4

Simplifying
h = 4