3x-30+150-x+2x=

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Solution for 3x-30+150-x+2x= equation:


Simplifying
3x + -30 + 150 + -1x + 2x = 0

Reorder the terms:
-30 + 150 + 3x + -1x + 2x = 0

Combine like terms: -30 + 150 = 120
120 + 3x + -1x + 2x = 0

Combine like terms: 3x + -1x = 2x
120 + 2x + 2x = 0

Combine like terms: 2x + 2x = 4x
120 + 4x = 0

Solving
120 + 4x = 0

Solving for variable 'x'.

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

Add '-120' to each side of the equation.
120 + -120 + 4x = 0 + -120

Combine like terms: 120 + -120 = 0
0 + 4x = 0 + -120
4x = 0 + -120

Combine like terms: 0 + -120 = -120
4x = -120

Divide each side by '4'.
x = -30

Simplifying
x = -30

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