7-(-7)-4=

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


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

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

Combine like terms: 7 + 7 = 14
14 + -4 = 0

Combine like terms: 14 + -4 = 10
10 = 0

Solving
10 = 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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