Plug in your Y value into the bottom equation like so:
4x + 3x-3=11, combine like terms
7x-3=11 solve for x
7x= 14
x=2
Plug in x value into first equation
y = 3(2) -3
y= 6-3, y = 3
answer: (2,3)
Its two squares, so you need to start by finding the perfect roots that go into 117. If you need more help after that just comment :)
Aaron needs 10 more dollars, because $10+$20=$30 and $30÷3 CD's = $10 the original price of one CD.
