x+x-10x=90

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Solution for x+x-10x=90 equation: 


Simplifying
x + x + -10x = 90

Combine like terms: x + x = 2x
2x + -10x = 90

Combine like terms: 2x + -10x = -8x
-8x = 90

Solving
-8x = 90

Solving for variable 'x'.

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

Divide each side by '-8'.
x = -11.25

Simplifying
x = -11.25

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