-9x+90=9x-90

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


Simplifying
-9x + 90 = 9x + -90

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

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

Solving
90 + -9x = -90 + 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 + -9x + -9x = -90 + 9x + -9x

Combine like terms: -9x + -9x = -18x
90 + -18x = -90 + 9x + -9x

Combine like terms: 9x + -9x = 0
90 + -18x = -90 + 0
90 + -18x = -90

Add '-90' to each side of the equation.
90 + -90 + -18x = -90 + -90

Combine like terms: 90 + -90 = 0
0 + -18x = -90 + -90
-18x = -90 + -90

Combine like terms: -90 + -90 = -180
-18x = -180

Divide each side by '-18'.
x = 10

Simplifying
x = 10

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