y+-2=y

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Solution for y+-2=y equation: 


Simplifying
y + -2 = y

Reorder the terms:
-2 + y = y

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

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

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

Solving
-2 = 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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