X+3-7-X=13

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Solution for X+3-7-X=13 equation: 


Simplifying
X + 3 + -7 + -1X = 13

Reorder the terms:
3 + -7 + X + -1X = 13

Combine like terms: 3 + -7 = -4
-4 + X + -1X = 13

Combine like terms: X + -1X = 0
-4 + 0 = 13
-4 = 13

Solving
-4 = 13

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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