8y-7y=(8-7)y

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Solution for 8y-7y=(8-7)y equation: 


Simplifying
8y + -7y = (8 + -7) * y

Combine like terms: 8y + -7y = 1y
1y = (8 + -7) * y

Combine like terms: 8 + -7 = 1
1y = (1) * y

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

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

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

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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