-40+5n=-4(n-7)+4

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Solution for -40+5n=-4(n-7)+4 equation: 



-40+5n=-4(n-7)+4

We move all terms to the left:

-40+5n-(-4(n-7)+4)=0



We calculate terms in parentheses: -(-4(n-7)+4), so:

-4(n-7)+4

We multiply parentheses

-4n+28+4

We add all the numbers together, and all the variables

-4n+32

Back to the equation:

-(-4n+32)



We get rid of parentheses

5n+4n-32-40=0

We add all the numbers together, and all the variables

9n-72=0

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

9n=72

n=72/9

n=8

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