12-h=h+3

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Solution for 12-h=h+3 equation:


Simplifying
12 + -1h = h + 3

Reorder the terms:
12 + -1h = 3 + h

Solving
12 + -1h = 3 + 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.
12 + -1h + -1h = 3 + h + -1h

Combine like terms: -1h + -1h = -2h
12 + -2h = 3 + h + -1h

Combine like terms: h + -1h = 0
12 + -2h = 3 + 0
12 + -2h = 3

Add '-12' to each side of the equation.
12 + -12 + -2h = 3 + -12

Combine like terms: 12 + -12 = 0
0 + -2h = 3 + -12
-2h = 3 + -12

Combine like terms: 3 + -12 = -9
-2h = -9

Divide each side by '-2'.
h = 4.5

Simplifying
h = 4.5

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