Find solutions to your problems with the help of IDNLearn.com's expert community. Ask any question and receive timely, accurate responses from our dedicated community of experts.

Which of the following systems has infinitely many solutions?
a: -y=-4-3x
6x=2y-8
b: y=x+2
7=-x+y
c: x+y=15
3x-2y=3
d: x=y-8
-x-y=0