-7+-1y+y=2

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Solution for -7+-1y+y=2 equation: 


Simplifying
-7 + -1y + y = 2

Combine like terms: -1y + y = 0
-7 + 0 = 2
-7 = 2

Solving
-7 = 2

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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