8y-9=8y

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Solution for 8y-9=8y equation: 


Simplifying
8y + -9 = 8y

Reorder the terms:
-9 + 8y = 8y

Add '-8y' to each side of the equation.
-9 + 8y + -8y = 8y + -8y

Combine like terms: 8y + -8y = 0
-9 + 0 = 8y + -8y
-9 = 8y + -8y

Combine like terms: 8y + -8y = 0
-9 = 0

Solving
-9 = 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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