8(2n-4)=40+7n

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Solution for 8(2n-4)=40+7n equation: 



8(2n-4)=40+7n

We move all terms to the left:

8(2n-4)-(40+7n)=0

We add all the numbers together, and all the variables

8(2n-4)-(7n+40)=0

We multiply parentheses

16n-(7n+40)-32=0

We get rid of parentheses

16n-7n-40-32=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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