90+(-77)=

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Solution for 90+(-77)= equation: 


Simplifying
90 + (-77) = 0
90 + -77 = 0

Combine like terms: 90 + -77 = 13
13 = 0

Solving
13 = 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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