12+3=h

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Solution for 12+3=h equation:


Simplifying
12 + 3 = h

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

Solving
15 = h

Solving for variable 'h'.

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

Add '-1h' to each side of the equation.
15 + -1h = h + -1h

Combine like terms: h + -1h = 0
15 + -1h = 0

Add '-15' to each side of the equation.
15 + -15 + -1h = 0 + -15

Combine like terms: 15 + -15 = 0
0 + -1h = 0 + -15
-1h = 0 + -15

Combine like terms: 0 + -15 = -15
-1h = -15

Divide each side by '-1'.
h = 15

Simplifying
h = 15

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