-65=7-9n

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Solution for -65=7-9n equation: 



-65=7-9n

We move all terms to the left:

-65-(7-9n)=0

We add all the numbers together, and all the variables

-(-9n+7)-65=0

We get rid of parentheses

9n-7-65=0

We add all the numbers together, and all the variables

9n-72=0

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

9n=72

n=72/9

n=8

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