-13-(18)=

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Solution for -13-(18)= equation: 


Simplifying
-13 + -1(18) = 0

Multiply -1 * 18
-13 + -18 = 0

Combine like terms: -13 + -18 = -31
-31 = 0

Solving
-31 = 0

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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