Sunday, June 30, 2013

Solve this system: 2x – y = 7, 3x + y = 8

2x – y = 7
3x + y = 8 

5x=15
x=3 

2x - y = 7
6 - y = 7 
y=-1 

Solution: 
(3, -1)
Posted by at
Labels: ,

No comments:

Post a Comment

Subscribe to: Post Comments (Atom)