4n-n=20+1

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Solution for 4n-n=20+1 equation: 


Simplifying
4n + -1n = 20 + 1

Combine like terms: 4n + -1n = 3n
3n = 20 + 1

Combine like terms: 20 + 1 = 21
3n = 21

Solving
3n = 21

Solving for variable 'n'.

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

Divide each side by '3'.
n = 7

Simplifying
n = 7

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