20=7h-12h

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Solution for 20=7h-12h equation:


Simplifying
20 = 7h + -12h

Combine like terms: 7h + -12h = -5h
20 = -5h

Solving
20 = -5h

Solving for variable 'h'.

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

Add '5h' to each side of the equation.
20 + 5h = -5h + 5h

Combine like terms: -5h + 5h = 0
20 + 5h = 0

Add '-20' to each side of the equation.
20 + -20 + 5h = 0 + -20

Combine like terms: 20 + -20 = 0
0 + 5h = 0 + -20
5h = 0 + -20

Combine like terms: 0 + -20 = -20
5h = -20

Divide each side by '5'.
h = -4

Simplifying
h = -4

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