7n-1=3(3n-5)

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Solution for 7n-1=3(3n-5) equation: 



7n-1=3(3n-5)

We move all terms to the left:

7n-1-(3(3n-5))=0



We calculate terms in parentheses: -(3(3n-5)), so:

3(3n-5)

We multiply parentheses

9n-15

Back to the equation:

-(9n-15)



We get rid of parentheses

7n-9n+15-1=0

We add all the numbers together, and all the variables

-2n+14=0

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

-2n=-14

n=-14/-2

n=+7

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