6x-9x=90

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Solution for 6x-9x=90 equation: 


Simplifying
6x + -9x = 90

Combine like terms: 6x + -9x = -3x
-3x = 90

Solving
-3x = 90

Solving for variable 'x'.

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

Divide each side by '-3'.
x = -30

Simplifying
x = -30

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