n+(-7)-n=

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Solution for n+(-7)-n= equation: 


Simplifying
n + (-7) + -1n = 0
n + -7 + -1n = 0

Reorder the terms:
-7 + n + -1n = 0

Combine like terms: n + -1n = 0
-7 + 0 = 0
-7 = 0

Solving
-7 = 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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