15+4+-9+9+3+-1+7=

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Solution for 15+4+-9+9+3+-1+7= equation: 


Simplifying
15 + 4 + -9 + 9 + 3 + -1 + 7 = 0

Combine like terms: 15 + 4 = 19
19 + -9 + 9 + 3 + -1 + 7 = 0

Combine like terms: 19 + -9 = 10
10 + 9 + 3 + -1 + 7 = 0

Combine like terms: 10 + 9 = 19
19 + 3 + -1 + 7 = 0

Combine like terms: 19 + 3 = 22
22 + -1 + 7 = 0

Combine like terms: 22 + -1 = 21
21 + 7 = 0

Combine like terms: 21 + 7 = 28
28 = 0

Solving
28 = 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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