



 
Hi Amber, I'm going to illustrate with a different problem.
I am going to use the substitution method so I want to solve one of the equations for one of the variables. I'm going to solve the first equation for y. If you add x to both sides of the first equation equation you get
Now the substitution step, substitute y = x + 3 into the second equation
Now I have one equation in one unknown which I can solve
To find y substitute x = 1 into either of the equations I started with. The first equation looks the easiest so
Thus my answer is x = 1, y = 2. (I checked by substituting these values into both equations to ensure that my answer was correct.) Now use the same method to solve the equations you sent us. Penny
 


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