180-x=20+3x

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Solution for 180-x=20+3x equation:


Simplifying
180 + -1x = 20 + 3x

Solving
180 + -1x = 20 + 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.
180 + -1x + -3x = 20 + 3x + -3x

Combine like terms: -1x + -3x = -4x
180 + -4x = 20 + 3x + -3x

Combine like terms: 3x + -3x = 0
180 + -4x = 20 + 0
180 + -4x = 20

Add '-180' to each side of the equation.
180 + -180 + -4x = 20 + -180

Combine like terms: 180 + -180 = 0
0 + -4x = 20 + -180
-4x = 20 + -180

Combine like terms: 20 + -180 = -160
-4x = -160

Divide each side by '-4'.
x = 40

Simplifying
x = 40

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