99=0.5h(10+1)

Solution for 99=0.5h(10+1) equation:

Simplifying
99 = 0.5h(10 + 1)

Combine like terms: 10 + 1 = 11
99 = 0.5h(11)

Reorder the terms for easier multiplication:
99 = 0.5 * 11h

Multiply 0.5 * 11
99 = 5.5h

Solving
99 = 5.5h

Solving for variable 'h'.

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

Add '-5.5h' to each side of the equation.
99 + -5.5h = 5.5h + -5.5h

Combine like terms: 5.5h + -5.5h = 0.0
99 + -5.5h = 0.0

Add '-99' to each side of the equation.
99 + -99 + -5.5h = 0.0 + -99

Combine like terms: 99 + -99 = 0
0 + -5.5h = 0.0 + -99
-5.5h = 0.0 + -99

Combine like terms: 0.0 + -99 = -99
-5.5h = -99

Divide each side by '-5.5'.
h = 18

Simplifying
h = 18