180-x-90-x=9x

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Solution for 180-x-90-x=9x equation:


Simplifying
180 + -1x + -90 + -1x = 9x

Reorder the terms:
180 + -90 + -1x + -1x = 9x

Combine like terms: 180 + -90 = 90
90 + -1x + -1x = 9x

Combine like terms: -1x + -1x = -2x
90 + -2x = 9x

Solving
90 + -2x = 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
90 + -2x + -9x = 9x + -9x

Combine like terms: -2x + -9x = -11x
90 + -11x = 9x + -9x

Combine like terms: 9x + -9x = 0
90 + -11x = 0

Add '-90' to each side of the equation.
90 + -90 + -11x = 0 + -90

Combine like terms: 90 + -90 = 0
0 + -11x = 0 + -90
-11x = 0 + -90

Combine like terms: 0 + -90 = -90
-11x = -90

Divide each side by '-11'.
x = 8.181818182

Simplifying
x = 8.181818182

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