SOLUTION: 72(n+6)-80(n)=200 Find N and what is 72n times n?

Algebra ->  Algebra  -> Customizable Word Problem Solvers  -> Finance -> SOLUTION: 72(n+6)-80(n)=200 Find N and what is 72n times n?       Log On

Ad: Over 600 Algebra Word Problems at edhelper.com
Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help!
Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations!

   

Question 109529: 72(n+6)-80(n)=200


Find N and what is 72n times n?
Answer by Earlsdon(6103) About Me  (Show Source):
You can put this solution on YOUR website!
Find N?
I presume you mean Find n, because I don't see any N:
72(n+6)-80(n) = 200 Simplify the left side.
72n+432-80n = 200
-8n+432 = 200 Subtract 432 from both sides.
-8n = -232 Divide both sides by -8.
n = 29
72n%2An+=+72n%5E2 Substitue n = 29
72n%5E2+=+72%2829%29%5E2 = 72%28841%29+=+60552