3x-9x=12

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Solution for 3x-9x=12 equation: 


Simplifying
3x + -9x = 12

Combine like terms: 3x + -9x = -6x
-6x = 12

Solving
-6x = 12

Solving for variable 'x'.

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

Divide each side by '-6'.
x = -2

Simplifying
x = -2

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