4n-2n=84

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Solution for 4n-2n=84 equation: 


Simplifying
4n + -2n = 84

Combine like terms: 4n + -2n = 2n
2n = 84

Solving
2n = 84

Solving for variable 'n'.

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

Divide each side by '2'.
n = 42

Simplifying
n = 42

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