12x-x+9x=11x-180

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Solution for 12x-x+9x=11x-180 equation:


Simplifying
12x + -1x + 9x = 11x + -180

Combine like terms: 12x + -1x = 11x
11x + 9x = 11x + -180

Combine like terms: 11x + 9x = 20x
20x = 11x + -180

Reorder the terms:
20x = -180 + 11x

Solving
20x = -180 + 11x

Solving for variable 'x'.

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

Add '-11x' to each side of the equation.
20x + -11x = -180 + 11x + -11x

Combine like terms: 20x + -11x = 9x
9x = -180 + 11x + -11x

Combine like terms: 11x + -11x = 0
9x = -180 + 0
9x = -180

Divide each side by '9'.
x = -20

Simplifying
x = -20

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