180-2x-21=x

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Solution for 180-2x-21=x equation:


Simplifying
180 + -2x + -21 = x

Reorder the terms:
180 + -21 + -2x = x

Combine like terms: 180 + -21 = 159
159 + -2x = x

Solving
159 + -2x = 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.
159 + -2x + -1x = x + -1x

Combine like terms: -2x + -1x = -3x
159 + -3x = x + -1x

Combine like terms: x + -1x = 0
159 + -3x = 0

Add '-159' to each side of the equation.
159 + -159 + -3x = 0 + -159

Combine like terms: 159 + -159 = 0
0 + -3x = 0 + -159
-3x = 0 + -159

Combine like terms: 0 + -159 = -159
-3x = -159

Divide each side by '-3'.
x = 53

Simplifying
x = 53

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