9x-4x=120+7x-x

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Solution for 9x-4x=120+7x-x equation:


Simplifying
9x + -4x = 120 + 7x + -1x

Combine like terms: 9x + -4x = 5x
5x = 120 + 7x + -1x

Combine like terms: 7x + -1x = 6x
5x = 120 + 6x

Solving
5x = 120 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
5x + -6x = 120 + 6x + -6x

Combine like terms: 5x + -6x = -1x
-1x = 120 + 6x + -6x

Combine like terms: 6x + -6x = 0
-1x = 120 + 0
-1x = 120

Divide each side by '-1'.
x = -120

Simplifying
x = -120

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