4n-4n=7-n

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


Simplifying
4n + -4n = 7 + -1n

Combine like terms: 4n + -4n = 0
0 = 7 + -1n

Solving
0 = 7 + -1n

Solving for variable 'n'.

Move all terms containing n to the left, all other terms to the right.

Add 'n' to each side of the equation.
0 + n = 7 + -1n + n
Remove the zero:
n = 7 + -1n + n

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

Simplifying
n = 7

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