12h-15=9h

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Solution for 12h-15=9h equation:


Simplifying
12h + -15 = 9h

Reorder the terms:
-15 + 12h = 9h

Solving
-15 + 12h = 9h

Solving for variable 'h'.

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

Add '-9h' to each side of the equation.
-15 + 12h + -9h = 9h + -9h

Combine like terms: 12h + -9h = 3h
-15 + 3h = 9h + -9h

Combine like terms: 9h + -9h = 0
-15 + 3h = 0

Add '15' to each side of the equation.
-15 + 15 + 3h = 0 + 15

Combine like terms: -15 + 15 = 0
0 + 3h = 0 + 15
3h = 0 + 15

Combine like terms: 0 + 15 = 15
3h = 15

Divide each side by '3'.
h = 5

Simplifying
h = 5

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