12+9h=57

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Solution for 12+9h=57 equation: 


Simplifying
12 + 9h = 57

Solving
12 + 9h = 57

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 = 57 + -12

Combine like terms: 12 + -12 = 0
0 + 9h = 57 + -12
9h = 57 + -12

Combine like terms: 57 + -12 = 45
9h = 45

Divide each side by '9'.
h = 5

Simplifying
h = 5

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