-(-7)+-4=

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


Simplifying
-1(-7) + -4 = 0

Multiply -1 * -7
7 + -4 = 0

Combine like terms: 7 + -4 = 3
3 = 0

Solving
3 = 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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