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7=n-20/9
We move all terms to the left:
7-(n-20/9)=0
We add all the numbers together, and all the variables
-(+n-20/9)+7=0
We get rid of parentheses
-n+7+20/9=0
We multiply all the terms by the denominator
-n*9+20+7*9=0
We add all the numbers together, and all the variables
-n*9+83=0
Wy multiply elements
-9n+83=0
We move all terms containing n to the left, all other terms to the right
-9n=-83
n=-83/-9
n=9+2/9
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