-0.2(212-h)=8.6

Solution for -0.2(212-h)=8.6 equation:

Simplifying
-0.2(212 + -1h) = 8.6
(212 * -0.2 + -1h * -0.2) = 8.6
(-42.4 + 0.2h) = 8.6

Solving
-42.4 + 0.2h = 8.6

Solving for variable 'h'.

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

Add '42.4' to each side of the equation.
-42.4 + 42.4 + 0.2h = 8.6 + 42.4

Combine like terms: -42.4 + 42.4 = 0.0
0.0 + 0.2h = 8.6 + 42.4
0.2h = 8.6 + 42.4

Combine like terms: 8.6 + 42.4 = 51
0.2h = 51

Divide each side by '0.2'.
h = 255

Simplifying
h = 255