(-7)+(-4)=

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Solution for (-7)+(-4)= equation: 


Simplifying
(-7) + (-4) = 0
-7 + (-4) = 0
-7 + -4 = 0

Combine like terms: -7 + -4 = -11
-11 = 0

Solving
-11 = 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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