45-(-15)+4=

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Solution for 45-(-15)+4= equation: 


Simplifying
45 + -1(-15) + 4 = 0

Multiply -1 * -15
45 + 15 + 4 = 0

Combine like terms: 45 + 15 = 60
60 + 4 = 0

Combine like terms: 60 + 4 = 64
64 = 0

Solving
64 = 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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