20n=5(4+n)

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Solution for 20n=5(4+n) equation: 



20n=5(4+n)

We move all terms to the left:

20n-(5(4+n))=0

We add all the numbers together, and all the variables

20n-(5(n+4))=0



We calculate terms in parentheses: -(5(n+4)), so:

5(n+4)

We multiply parentheses

5n+20

Back to the equation:

-(5n+20)



We get rid of parentheses

20n-5n-20=0

We add all the numbers together, and all the variables

15n-20=0

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

15n=20

n=20/15

n=1+1/3

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