8h+12=5h-21

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Solution for 8h+12=5h-21 equation:


Simplifying
8h + 12 = 5h + -21

Reorder the terms:
12 + 8h = 5h + -21

Reorder the terms:
12 + 8h = -21 + 5h

Solving
12 + 8h = -21 + 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.
12 + 8h + -5h = -21 + 5h + -5h

Combine like terms: 8h + -5h = 3h
12 + 3h = -21 + 5h + -5h

Combine like terms: 5h + -5h = 0
12 + 3h = -21 + 0
12 + 3h = -21

Add '-12' to each side of the equation.
12 + -12 + 3h = -21 + -12

Combine like terms: 12 + -12 = 0
0 + 3h = -21 + -12
3h = -21 + -12

Combine like terms: -21 + -12 = -33
3h = -33

Divide each side by '3'.
h = -11

Simplifying
h = -11

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