120-x=270-3x

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Solution for 120-x=270-3x equation:


Simplifying
120 + -1x = 270 + -3x

Solving
120 + -1x = 270 + -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 + -1x + 3x = 270 + -3x + 3x

Combine like terms: -1x + 3x = 2x
120 + 2x = 270 + -3x + 3x

Combine like terms: -3x + 3x = 0
120 + 2x = 270 + 0
120 + 2x = 270

Add '-120' to each side of the equation.
120 + -120 + 2x = 270 + -120

Combine like terms: 120 + -120 = 0
0 + 2x = 270 + -120
2x = 270 + -120

Combine like terms: 270 + -120 = 150
2x = 150

Divide each side by '2'.
x = 75

Simplifying
x = 75

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