7n-3n+4-4n=

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Solution for 7n-3n+4-4n= equation: 


Simplifying
7n + -3n + 4 + -4n = 0

Reorder the terms:
4 + 7n + -3n + -4n = 0

Combine like terms: 7n + -3n = 4n
4 + 4n + -4n = 0

Combine like terms: 4n + -4n = 0
4 + 0 = 0
4 = 0

Solving
4 = 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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