102=7(1+7n)-3

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Solution for 102=7(1+7n)-3 equation: 



102=7(1+7n)-3

We move all terms to the left:

102-(7(1+7n)-3)=0

We add all the numbers together, and all the variables

-(7(7n+1)-3)+102=0



We calculate terms in parentheses: -(7(7n+1)-3), so:

7(7n+1)-3

We multiply parentheses

49n+7-3

We add all the numbers together, and all the variables

49n+4

Back to the equation:

-(49n+4)



We get rid of parentheses

-49n-4+102=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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