SOLUTION: How do you know when an equation has infinitely many solutions?

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Question 160197: How do you know when an equation has infinitely
many solutions?

Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
TWO UNKNOWNS IN A SINGLE EQUATION WILL DO IT.
X+Y=11
X=1, Y=10
X=2, Y=9
X=3, Y=8
X=4, Y=7
X=-1, Y=12
X=-2, Y=13
X=-5, Y=16
X=.1, Y=10.9
X=.5, Y=10.5
ETC.