30=.5h(2+1)

Solution for 30=.5h(2+1) equation:

Simplifying
30 = 0.5h(2 + 1)

Combine like terms: 2 + 1 = 3
30 = 0.5h(3)

Reorder the terms for easier multiplication:
30 = 0.5 * 3h

Multiply 0.5 * 3
30 = 1.5h

Solving
30 = 1.5h

Solving for variable 'h'.

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

Add '-1.5h' to each side of the equation.
30 + -1.5h = 1.5h + -1.5h

Combine like terms: 1.5h + -1.5h = 0.0
30 + -1.5h = 0.0

Add '-30' to each side of the equation.
30 + -30 + -1.5h = 0.0 + -30

Combine like terms: 30 + -30 = 0
0 + -1.5h = 0.0 + -30
-1.5h = 0.0 + -30

Combine like terms: 0.0 + -30 = -30
-1.5h = -30

Divide each side by '-1.5'.
h = 20

Simplifying
h = 20