4n-40=7(-2n+2)=-3

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Solution for 4n-40=7(-2n+2)=-3 equation: 



4n-40=7(-2n+2)=-3

We move all terms to the left:

4n-40-(7(-2n+2))=0



We calculate terms in parentheses: -(7(-2n+2)), so:

7(-2n+2)

We multiply parentheses

-14n+14

Back to the equation:

-(-14n+14)



We get rid of parentheses

4n+14n-14-40=0

We add all the numbers together, and all the variables

18n-54=0

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

18n=54

n=54/18

n=3

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