180-3x=x+12

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Solution for 180-3x=x+12 equation:


Simplifying
180 + -3x = x + 12

Reorder the terms:
180 + -3x = 12 + x

Solving
180 + -3x = 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.
180 + -3x + -1x = 12 + x + -1x

Combine like terms: -3x + -1x = -4x
180 + -4x = 12 + x + -1x

Combine like terms: x + -1x = 0
180 + -4x = 12 + 0
180 + -4x = 12

Add '-180' to each side of the equation.
180 + -180 + -4x = 12 + -180

Combine like terms: 180 + -180 = 0
0 + -4x = 12 + -180
-4x = 12 + -180

Combine like terms: 12 + -180 = -168
-4x = -168

Divide each side by '-4'.
x = 42

Simplifying
x = 42

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