8y-4-y=7y-9

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Solution for 8y-4-y=7y-9 equation:


Simplifying
8y + -4 + -1y = 7y + -9

Reorder the terms:
-4 + 8y + -1y = 7y + -9

Combine like terms: 8y + -1y = 7y
-4 + 7y = 7y + -9

Reorder the terms:
-4 + 7y = -9 + 7y

Add '-7y' to each side of the equation.
-4 + 7y + -7y = -9 + 7y + -7y

Combine like terms: 7y + -7y = 0
-4 + 0 = -9 + 7y + -7y
-4 = -9 + 7y + -7y

Combine like terms: 7y + -7y = 0
-4 = -9 + 0
-4 = -9

Solving
-4 = -9

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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