5n+6=21,n=3

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Solution for 5n+6=21,n=3 equation: 



5n+6=21.n=3

We move all terms to the left:

5n+6-(21.n)=0

We add all the numbers together, and all the variables

5n-(+21.n)+6=0

We get rid of parentheses

5n-21.n+6=0

We add all the numbers together, and all the variables

-16n+6=0

We move all terms containing n to the left, all other terms to the right

-16n=-6

n=-6/-16

n=3/8

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