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7(7n-9)-8=394.5
We move all terms to the left:
7(7n-9)-8-(394.5)=0
We add all the numbers together, and all the variables
7(7n-9)-402.5=0
We multiply parentheses
49n-63-402.5=0
We add all the numbers together, and all the variables
49n-465.5=0
We move all terms containing n to the left, all other terms to the right
49n=465.5
n=465.5/49
n=9+16.333333333333/32.666666666667
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