120-1x=2x

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Solution for 120-1x=2x equation:


Simplifying
120 + -1x = 2x

Solving
120 + -1x = 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
120 + -1x + -2x = 2x + -2x

Combine like terms: -1x + -2x = -3x
120 + -3x = 2x + -2x

Combine like terms: 2x + -2x = 0
120 + -3x = 0

Add '-120' to each side of the equation.
120 + -120 + -3x = 0 + -120

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

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

Divide each side by '-3'.
x = 40

Simplifying
x = 40

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