217=7(7n-5)+7

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Solution for 217=7(7n-5)+7 equation: 



217=7(7n-5)+7

We move all terms to the left:

217-(7(7n-5)+7)=0



We calculate terms in parentheses: -(7(7n-5)+7), so:

7(7n-5)+7

We multiply parentheses

49n-35+7

We add all the numbers together, and all the variables

49n-28

Back to the equation:

-(49n-28)



We get rid of parentheses

-49n+28+217=0

We add all the numbers together, and all the variables

-49n+245=0

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

-49n=-245

n=-245/-49

n=+5

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