12=2(h-20)

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


Simplifying
12 = 2(h + -20)

Reorder the terms:
12 = 2(-20 + h)
12 = (-20 * 2 + h * 2)
12 = (-40 + 2h)

Solving
12 = -40 + 2h

Solving for variable 'h'.

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

Add '-2h' to each side of the equation.
12 + -2h = -40 + 2h + -2h

Combine like terms: 2h + -2h = 0
12 + -2h = -40 + 0
12 + -2h = -40

Add '-12' to each side of the equation.
12 + -12 + -2h = -40 + -12

Combine like terms: 12 + -12 = 0
0 + -2h = -40 + -12
-2h = -40 + -12

Combine like terms: -40 + -12 = -52
-2h = -52

Divide each side by '-2'.
h = 26

Simplifying
h = 26

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