7(-1+7n)=91

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Solution for 7(-1+7n)=91 equation: 



7(-1+7n)=91

We move all terms to the left:

7(-1+7n)-(91)=0

We add all the numbers together, and all the variables

7(7n-1)-91=0

We multiply parentheses

49n-7-91=0

We add all the numbers together, and all the variables

49n-98=0

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

49n=98

n=98/49

n=2

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