12x+9=12x-12

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


Simplifying
12x + 9 = 12x + -12

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

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

Add '-12x' to each side of the equation.
9 + 12x + -12x = -12 + 12x + -12x

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

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

Solving
9 = -12

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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