x+3=x-9

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Solution for x+3=x-9 equation: 


Simplifying
x + 3 = x + -9

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

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

Add '-1x' to each side of the equation.
3 + x + -1x = -9 + x + -1x

Combine like terms: x + -1x = 0
3 + 0 = -9 + x + -1x
3 = -9 + x + -1x

Combine like terms: x + -1x = 0
3 = -9 + 0
3 = -9

Solving
3 = -9

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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