-12=-2H+0.2(20-6H)

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Solution for -12=-2H+0.2(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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