n-9=n

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Solution for n-9=n equation: 


Simplifying
n + -9 = n

Reorder the terms:
-9 + n = n

Add '-1n' to each side of the equation.
-9 + n + -1n = n + -1n

Combine like terms: n + -1n = 0
-9 + 0 = n + -1n
-9 = n + -1n

Combine like terms: n + -1n = 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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