SOLUTION: solve the following systems of equations x+y=-3 2x=-3+y

Algebra ->  Equations -> SOLUTION: solve the following systems of equations x+y=-3 2x=-3+y      Log On


   

Question 57016: solve the following systems of equations
x+y=-3
2x=-3+y
Answer by rchill(405) About Me  (Show Source):
You can put this solution on YOUR website!
First, solve both equations for y and you get y=-x-3 and y=2x+3. Plot those out by creating some ordered pairs, draw the lines, and see where they interesect. The point of intersection is the solution -- in this case, it's (-2,-1). The graphs of the lines is:
graph%28200%2C200%2C-5%2C2%2C-5%2C2%2C-x-3%2C2x%2B3%29