7+y=-2+y

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


Simplifying
7 + y = -2 + y

Add '-1y' to each side of the equation.
7 + y + -1y = -2 + y + -1y

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

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