2y-9-2y=-9

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Solution for 2y-9-2y=-9 equation: 


Simplifying
2y + -9 + -2y = -9

Reorder the terms:
-9 + 2y + -2y = -9

Combine like terms: 2y + -2y = 0
-9 + 0 = -9
-9 = -9

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

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

Combine like terms: -9 + 9 = 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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