Phil has three times as many DVDS as sam has. Even after Phil gives Sam 6 DVDs, he still has 16 more DVDs than Sam has. What was the original number of DVDs that Phil had?
I set this up like so,
How do I solve this? Any answers appreciated!
^^The book (Grubers 2013) Is trying to say that this is a simpler strategy. I disagree. Thanks for the wonderful help!