12x-117=30+5x

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Solution for 12x-117=30+5x equation:


Simplifying
12x + -117 = 30 + 5x

Reorder the terms:
-117 + 12x = 30 + 5x

Solving
-117 + 12x = 30 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
-117 + 12x + -5x = 30 + 5x + -5x

Combine like terms: 12x + -5x = 7x
-117 + 7x = 30 + 5x + -5x

Combine like terms: 5x + -5x = 0
-117 + 7x = 30 + 0
-117 + 7x = 30

Add '117' to each side of the equation.
-117 + 117 + 7x = 30 + 117

Combine like terms: -117 + 117 = 0
0 + 7x = 30 + 117
7x = 30 + 117

Combine like terms: 30 + 117 = 147
7x = 147

Divide each side by '7'.
x = 21

Simplifying
x = 21

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