7+15+-7=

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Solution for 7+15+-7= equation: 


Simplifying
7 + 15 + -7 = 0

Combine like terms: 7 + 15 = 22
22 + -7 = 0

Combine like terms: 22 + -7 = 15
15 = 0

Solving
15 = 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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