9+68=7n+2(n-2)

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Solution for 9+68=7n+2(n-2) equation: 



9+68=7n+2(n-2)

We move all terms to the left:

9+68-(7n+2(n-2))=0

We add all the numbers together, and all the variables

-(7n+2(n-2))+77=0



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

7n+2(n-2)

We multiply parentheses

7n+2n-4

We add all the numbers together, and all the variables

9n-4

Back to the equation:

-(9n-4)



We get rid of parentheses

-9n+4+77=0

We add all the numbers together, and all the variables

-9n+81=0

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

-9n=-81

n=-81/-9

n=+9

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