120-3x=12+3x

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Solution for 120-3x=12+3x equation:


Simplifying
120 + -3x = 12 + 3x

Solving
120 + -3x = 12 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
120 + -3x + -3x = 12 + 3x + -3x

Combine like terms: -3x + -3x = -6x
120 + -6x = 12 + 3x + -3x

Combine like terms: 3x + -3x = 0
120 + -6x = 12 + 0
120 + -6x = 12

Add '-120' to each side of the equation.
120 + -120 + -6x = 12 + -120

Combine like terms: 120 + -120 = 0
0 + -6x = 12 + -120
-6x = 12 + -120

Combine like terms: 12 + -120 = -108
-6x = -108

Divide each side by '-6'.
x = 18

Simplifying
x = 18

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