Post a New Question

Posted by anonymous on Wednesday, December 5, 2012 at 9:26pm.

Which of the linear systems has exactly one solution A: -x+y=9 x-y=9 B: -x+y=9 x-y= -9 C: -x+y=9 -x-y=9 D: x-y= -9 -x+y= -9

what is 3(4x+6)+7x

More Related Questions