-12=2h+0.2(20-h)

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Solution for -12=2h+0.2(20-h) equation:


Simplifying
-12 = 2h + 0.2(20 + -1h)
-12 = 2h + (20 * 0.2 + -1h * 0.2)
-12 = 2h + (4 + -0.2h)

Reorder the terms:
-12 = 4 + 2h + -0.2h

Combine like terms: 2h + -0.2h = 1.8h
-12 = 4 + 1.8h

Solving
-12 = 4 + 1.8h

Solving for variable 'h'.

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

Add '-1.8h' to each side of the equation.
-12 + -1.8h = 4 + 1.8h + -1.8h

Combine like terms: 1.8h + -1.8h = 0.0
-12 + -1.8h = 4 + 0.0
-12 + -1.8h = 4

Add '12' to each side of the equation.
-12 + 12 + -1.8h = 4 + 12

Combine like terms: -12 + 12 = 0
0 + -1.8h = 4 + 12
-1.8h = 4 + 12

Combine like terms: 4 + 12 = 16
-1.8h = 16

Divide each side by '-1.8'.
h = -8.888888889

Simplifying
h = -8.888888889

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