12-3h=30-6h

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Solution for 12-3h=30-6h equation: 


Simplifying
12 + -3h = 30 + -6h

Solving
12 + -3h = 30 + -6h

Solving for variable 'h'.

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

Add '6h' to each side of the equation.
12 + -3h + 6h = 30 + -6h + 6h

Combine like terms: -3h + 6h = 3h
12 + 3h = 30 + -6h + 6h

Combine like terms: -6h + 6h = 0
12 + 3h = 30 + 0
12 + 3h = 30

Add '-12' to each side of the equation.
12 + -12 + 3h = 30 + -12

Combine like terms: 12 + -12 = 0
0 + 3h = 30 + -12
3h = 30 + -12

Combine like terms: 30 + -12 = 18
3h = 18

Divide each side by '3'.
h = 6

Simplifying
h = 6

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