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

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


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

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

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

Solving
-12 = 4 + -3.2h

Solving for variable 'h'.

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

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

Combine like terms: -3.2h + 3.2h = 0.0
-12 + 3.2h = 4 + 0.0
-12 + 3.2h = 4

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

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

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

Divide each side by '3.2'.
h = 5

Simplifying
h = 5

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