3-(-4)=-12

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Solution for 3-(-4)=-12 equation: 


Simplifying
3 + -1(-4) = -12

Multiply -1 * -4
3 + 4 = -12

Combine like terms: 3 + 4 = 7
7 = -12

Solving
7 = -12

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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