8-7n=20

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Solution for 8-7n=20 equation: 



8-7n=20

We move all terms to the left:

8-7n-(20)=0

We add all the numbers together, and all the variables

-7n-12=0

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

-7n=12

n=12/-7

n=-1+5/7

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