Linear Algebra: The total number og games & cd is 23....

The total number og games & cd is 23. there are 7 more games than cd's.

Let X represnt the number of games

Let y represnt the number of cd

Write Down The Equation?
How many cds and games are in the bag. (use substitution or elimination)

What have you tried on your own?

{(total number of games) + (total number of CDs) = 23
{(games) = (CD) + 7

Now plug in your variables X and Y accordingly, and solve the system of equations.


John.