3+77n+2n=21

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Solution for 3+77n+2n=21 equation: 


Simplifying
3 + 77n + 2n = 21

Combine like terms: 77n + 2n = 79n
3 + 79n = 21

Solving
3 + 79n = 21

Solving for variable 'n'.

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

Add '-3' to each side of the equation.
3 + -3 + 79n = 21 + -3

Combine like terms: 3 + -3 = 0
0 + 79n = 21 + -3
79n = 21 + -3

Combine like terms: 21 + -3 = 18
79n = 18

Divide each side by '79'.
n = 0.2278481013

Simplifying
n = 0.2278481013

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