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8.5(n-4)+8.5n=422
We move all terms to the left:
8.5(n-4)+8.5n-(422)=0
We add all the numbers together, and all the variables
8.5n+8.5(n-4)-422=0
We multiply parentheses
8.5n+8.5n-34-422=0
We add all the numbers together, and all the variables
17n-456=0
We move all terms containing n to the left, all other terms to the right
17n=456
n=456/17
n=26+14/17
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