-20+15-(-9-7+3)=

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Solution for -20+15-(-9-7+3)= equation: 


Simplifying
-20 + 15 + -1(-9 + -7 + 3) = 0

Combine like terms: -9 + -7 = -16
-20 + 15 + -1(-16 + 3) = 0

Combine like terms: -16 + 3 = -13
-20 + 15 + -1(-13) = 0

Multiply -1 * -13
-20 + 15 + 13 = 0

Combine like terms: -20 + 15 = -5
-5 + 13 = 0

Combine like terms: -5 + 13 = 8
8 = 0

Solving
8 = 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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