12-9h=-78

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Solution for 12-9h=-78 equation: 


Simplifying
12 + -9h = -78

Solving
12 + -9h = -78

Solving for variable 'h'.

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

Add '-12' to each side of the equation.
12 + -12 + -9h = -78 + -12

Combine like terms: 12 + -12 = 0
0 + -9h = -78 + -12
-9h = -78 + -12

Combine like terms: -78 + -12 = -90
-9h = -90

Divide each side by '-9'.
h = 10

Simplifying
h = 10

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