-47+(-40)=

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Solution for -47+(-40)= equation: 


Simplifying
-47 + (-40) = 0
-47 + -40 = 0

Combine like terms: -47 + -40 = -87
-87 = 0

Solving
-87 = 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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