15+(-3)=18

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Solution for 15+(-3)=18 equation: 


Simplifying
15 + (-3) = 18
15 + -3 = 18

Combine like terms: 15 + -3 = 12
12 = 18

Solving
12 = 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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