-x+x=8+4

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Solution for -x+x=8+4 equation: 


Simplifying
-1x + x = 8 + 4

Combine like terms: -1x + x = 0
0 = 8 + 4

Combine like terms: 8 + 4 = 12
0 = 12

Solving
0 = 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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