-1x=9x-90

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Solution for -1x=9x-90 equation: 


Simplifying
-1x = 9x + -90

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

Solving
-1x = -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.
-1x + -9x = -90 + 9x + -9x

Combine like terms: -1x + -9x = -10x
-10x = -90 + 9x + -9x

Combine like terms: 9x + -9x = 0
-10x = -90 + 0
-10x = -90

Divide each side by '-10'.
x = 9

Simplifying
x = 9

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