7-8=3n

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Solution for 7-8=3n equation: 



7-8=3n

We move all terms to the left:

7-8-(3n)=0

We add all the numbers together, and all the variables

-3n-1=0

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

-3n=1

n=1/-3

n=-1/3

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