(y-7)-y=6

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Solution for (y-7)-y=6 equation: 


Simplifying
(y + -7) + -1y = 6

Reorder the terms:
(-7 + y) + -1y = 6

Remove parenthesis around (-7 + y)
-7 + y + -1y = 6

Combine like terms: y + -1y = 0
-7 + 0 = 6
-7 = 6

Solving
-7 = 6

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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