13-(-4)=

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Solution for 13-(-4)= equation: 


Simplifying
13 + -1(-4) = 0

Multiply -1 * -4
13 + 4 = 0

Combine like terms: 13 + 4 = 17
17 = 0

Solving
17 = 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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