-2h+.2(20-6h)=-12

Solution for -2h+.2(20-6h)=-12 equation:

Simplifying
-2h + 0.2(20 + -6h) = -12
-2h + (20 * 0.2 + -6h * 0.2) = -12
-2h + (4 + -1.2h) = -12

Reorder the terms:
4 + -2h + -1.2h = -12

Combine like terms: -2h + -1.2h = -3.2h
4 + -3.2h = -12

Solving
4 + -3.2h = -12

Solving for variable 'h'.

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

Add '-4' to each side of the equation.
4 + -4 + -3.2h = -12 + -4

Combine like terms: 4 + -4 = 0
0 + -3.2h = -12 + -4
-3.2h = -12 + -4

Combine like terms: -12 + -4 = -16
-3.2h = -16

Divide each side by '-3.2'.
h = 5

Simplifying
h = 5