7-(-1)-4=

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Solution for 7-(-1)-4= equation: 


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

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

Combine like terms: 7 + 1 = 8
8 + -4 = 0

Combine like terms: 8 + -4 = 4
4 = 0

Solving
4 = 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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