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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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



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

-5(5n-4)

We multiply parentheses

-25n+20

Back to the equation:

-(-25n+20)



We get rid of parentheses

-5n+25n-20+20=0

We add all the numbers together, and all the variables

20n=0

n=0/20

n=0

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