-3+7=18

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Solution for -3+7=18 equation: 


Simplifying
-3 + 7 = 18

Combine like terms: -3 + 7 = 4
4 = 18

Solving
4 = 18

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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