SOLUTION: Seperate $89 into two parts so that the second part is $4 less thean twice the first part?

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Question 18941: Seperate $89 into two parts so that the second part is $4 less thean twice the first part?
Answer by piglet162431(90) About Me  (Show Source):
You can put this solution on YOUR website!
let n be the first part.
now, the other part will be 2n-4
n+2n-4=89
3n-4=89
3n=93
$31
If u know the first, the second is 31(2)=4
62-4=58
31+58=89