8h+h+20=128

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Solution for 8h+h+20=128 equation:


Simplifying
8h + h + 20 = 128

Reorder the terms:
20 + 8h + h = 128

Combine like terms: 8h + h = 9h
20 + 9h = 128

Solving
20 + 9h = 128

Solving for variable 'h'.

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

Add '-20' to each side of the equation.
20 + -20 + 9h = 128 + -20

Combine like terms: 20 + -20 = 0
0 + 9h = 128 + -20
9h = 128 + -20

Combine like terms: 128 + -20 = 108
9h = 108

Divide each side by '9'.
h = 12

Simplifying
h = 12

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