-7-5-7+9=

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Solution for -7-5-7+9= equation: 


Simplifying
-7 + -5 + -7 + 9 = 0

Combine like terms: -7 + -5 = -12
-12 + -7 + 9 = 0

Combine like terms: -12 + -7 = -19
-19 + 9 = 0

Combine like terms: -19 + 9 = -10
-10 = 0

Solving
-10 = 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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