42-12h=54

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Solution for 42-12h=54 equation: 


Simplifying
42 + -12h = 54

Solving
42 + -12h = 54

Solving for variable 'h'.

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

Add '-42' to each side of the equation.
42 + -42 + -12h = 54 + -42

Combine like terms: 42 + -42 = 0
0 + -12h = 54 + -42
-12h = 54 + -42

Combine like terms: 54 + -42 = 12
-12h = 12

Divide each side by '-12'.
h = -1

Simplifying
h = -1

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