2n-40=4(8-4n)

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Solution for 2n-40=4(8-4n) equation: 



2n-40=4(8-4n)

We move all terms to the left:

2n-40-(4(8-4n))=0

We add all the numbers together, and all the variables

2n-(4(-4n+8))-40=0



We calculate terms in parentheses: -(4(-4n+8)), so:

4(-4n+8)

We multiply parentheses

-16n+32

Back to the equation:

-(-16n+32)



We get rid of parentheses

2n+16n-32-40=0

We add all the numbers together, and all the variables

18n-72=0

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

18n=72

n=72/18

n=4

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