Thursday, July 4, 2013

Solve the system using substitution 2x = y-4 and -3y = x - 5

2x+4 = y 
and so 
-3(2x+4) = x - 5 
-6x-12=x-5 
12-5=x+6x 

x=-7/7=-1 
y=2
Posted by at
Labels: ,

No comments:

Post a Comment

Subscribe to: Post Comments (Atom)