-1-(-4)=

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


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

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

Combine like terms: -1 + 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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