3x+6-9x=12

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Solution for 3x+6-9x=12 equation:


Simplifying
3x + 6 + -9x = 12

Reorder the terms:
6 + 3x + -9x = 12

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

Solving
6 + -6x = 12

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + -6 + -6x = 12 + -6

Combine like terms: 6 + -6 = 0
0 + -6x = 12 + -6
-6x = 12 + -6

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

Divide each side by '-6'.
x = -1

Simplifying
x = -1

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