4+8-7-(-15)=

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Solution for 4+8-7-(-15)= equation: 


Simplifying
4 + 8 + -7 + -1(-15) = 0

Multiply -1 * -15
4 + 8 + -7 + 15 = 0

Combine like terms: 4 + 8 = 12
12 + -7 + 15 = 0

Combine like terms: 12 + -7 = 5
5 + 15 = 0

Combine like terms: 5 + 15 = 20
20 = 0

Solving
20 = 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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