15+3h=12+4h

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Solution for 15+3h=12+4h equation:


Simplifying
15 + 3h = 12 + 4h

Solving
15 + 3h = 12 + 4h

Solving for variable 'h'.

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

Add '-4h' to each side of the equation.
15 + 3h + -4h = 12 + 4h + -4h

Combine like terms: 3h + -4h = -1h
15 + -1h = 12 + 4h + -4h

Combine like terms: 4h + -4h = 0
15 + -1h = 12 + 0
15 + -1h = 12

Add '-15' to each side of the equation.
15 + -15 + -1h = 12 + -15

Combine like terms: 15 + -15 = 0
0 + -1h = 12 + -15
-1h = 12 + -15

Combine like terms: 12 + -15 = -3
-1h = -3

Divide each side by '-1'.
h = 3

Simplifying
h = 3

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