-3x-9x=

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Solution for -3x-9x= equation: 


Simplifying
-3x + -9x = 0

Combine like terms: -3x + -9x = -12x
-12x = 0

Solving
-12x = 0

Solving for variable 'x'.

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

Divide each side by '-12'.
x = 0

Simplifying
x = 0

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