(-5)+(7)-(-4)+(12)=

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Solution for (-5)+(7)-(-4)+(12)= equation: 


Simplifying
(-5) + (7) + -1(-4) + (12) = 0
-5 + (7) + -1(-4) + (12) = 0
-5 + 7 + -1(-4) + (12) = 0

Multiply -1 * -4
-5 + 7 + 4 + (12) = 0
-5 + 7 + 4 + 12 = 0

Combine like terms: -5 + 7 = 2
2 + 4 + 12 = 0

Combine like terms: 2 + 4 = 6
6 + 12 = 0

Combine like terms: 6 + 12 = 18
18 = 0

Solving
18 = 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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