(y-1)-y=2

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Solution for (y-1)-y=2 equation: 


Simplifying
(y + -1) + -1y = 2

Reorder the terms:
(-1 + y) + -1y = 2

Remove parenthesis around (-1 + y)
-1 + y + -1y = 2

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

Solving
-1 = 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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