7+-2y+2y=-7

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


Simplifying
7 + -2y + 2y = -7

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

Solving
7 = -7

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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