-7(h-9)+12=5(3h-9)-12

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Solution for -7(h-9)+12=5(3h-9)-12 equation:


Simplifying
-7(h + -9) + 12 = 5(3h + -9) + -12

Reorder the terms:
-7(-9 + h) + 12 = 5(3h + -9) + -12
(-9 * -7 + h * -7) + 12 = 5(3h + -9) + -12
(63 + -7h) + 12 = 5(3h + -9) + -12

Reorder the terms:
63 + 12 + -7h = 5(3h + -9) + -12

Combine like terms: 63 + 12 = 75
75 + -7h = 5(3h + -9) + -12

Reorder the terms:
75 + -7h = 5(-9 + 3h) + -12
75 + -7h = (-9 * 5 + 3h * 5) + -12
75 + -7h = (-45 + 15h) + -12

Reorder the terms:
75 + -7h = -45 + -12 + 15h

Combine like terms: -45 + -12 = -57
75 + -7h = -57 + 15h

Solving
75 + -7h = -57 + 15h

Solving for variable 'h'.

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

Add '-15h' to each side of the equation.
75 + -7h + -15h = -57 + 15h + -15h

Combine like terms: -7h + -15h = -22h
75 + -22h = -57 + 15h + -15h

Combine like terms: 15h + -15h = 0
75 + -22h = -57 + 0
75 + -22h = -57

Add '-75' to each side of the equation.
75 + -75 + -22h = -57 + -75

Combine like terms: 75 + -75 = 0
0 + -22h = -57 + -75
-22h = -57 + -75

Combine like terms: -57 + -75 = -132
-22h = -132

Divide each side by '-22'.
h = 6

Simplifying
h = 6

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