7+7(7n-7)=105

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Solution for 7+7(7n-7)=105 equation: 



7+7(7n-7)=105

We move all terms to the left:

7+7(7n-7)-(105)=0

We add all the numbers together, and all the variables

7(7n-7)-98=0

We multiply parentheses

49n-49-98=0

We add all the numbers together, and all the variables

49n-147=0

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

49n=147

n=147/49

n=3

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