12+3x=3x-3

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


Simplifying
12 + 3x = 3x + -3

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

Add '-3x' to each side of the equation.
12 + 3x + -3x = -3 + 3x + -3x

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

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

Solving
12 = -3

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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