120-x=12+x

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Solution for 120-x=12+x equation:


Simplifying
120 + -1x = 12 + x

Solving
120 + -1x = 12 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
120 + -1x + -1x = 12 + x + -1x

Combine like terms: -1x + -1x = -2x
120 + -2x = 12 + x + -1x

Combine like terms: x + -1x = 0
120 + -2x = 12 + 0
120 + -2x = 12

Add '-120' to each side of the equation.
120 + -120 + -2x = 12 + -120

Combine like terms: 120 + -120 = 0
0 + -2x = 12 + -120
-2x = 12 + -120

Combine like terms: 12 + -120 = -108
-2x = -108

Divide each side by '-2'.
x = 54

Simplifying
x = 54

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