CPM Homework Help : CCA2 Problem A-7

Solve the following systems of equations algebraically. Then graph each system to confirm your solution.

$x+y=3$
$x=3y-5$

$x-y=-5$
$y=-2x-4$

In the eTool below type points into the tables to explore where the two graphs intersect.
Click on the link at right for the full eTool version: A-7 HW eTool