-50-(-90)=

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Solution for -50-(-90)= equation: 


Simplifying
-50 + -1(-90) = 0

Multiply -1 * -90
-50 + 90 = 0

Combine like terms: -50 + 90 = 40
40 = 0

Solving
40 = 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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