18=.5h(6+1.2)

Solution for 18=.5h(6+1.2) equation:

Simplifying
18 = 0.5h(6 + 1.2)

Combine like terms: 6 + 1.2 = 7.2
18 = 0.5h(7.2)

Reorder the terms for easier multiplication:
18 = 0.5 * 7.2h

Multiply 0.5 * 7.2
18 = 3.6h

Solving
18 = 3.6h

Solving for variable 'h'.

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

Add '-3.6h' to each side of the equation.
18 + -3.6h = 3.6h + -3.6h

Combine like terms: 3.6h + -3.6h = 0.0
18 + -3.6h = 0.0

Add '-18' to each side of the equation.
18 + -18 + -3.6h = 0.0 + -18

Combine like terms: 18 + -18 = 0
0 + -3.6h = 0.0 + -18
-3.6h = 0.0 + -18

Combine like terms: 0.0 + -18 = -18
-3.6h = -18

Divide each side by '-3.6'.
h = 5

Simplifying
h = 5