9-5n=1+7n

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Solution for 9-5n=1+7n equation: 



9-5n=1+7n

We move all terms to the left:

9-5n-(1+7n)=0

We add all the numbers together, and all the variables

-5n-(7n+1)+9=0

We get rid of parentheses

-5n-7n-1+9=0

We add all the numbers together, and all the variables

-12n+8=0

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

-12n=-8

n=-8/-12

n=2/3

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