Posted by **Samantha** on Monday, March 19, 2007 at 6:21pm.

The question in the book reads:

"Suppose you try to solve a system of linear equations using substitution and get this result. How many solutions does each system have?"

1)x=-2

2)y=12

3)6=x

4)-8=-8

5)7=y

6)5=3

I understand #3 and #6, but I do not understand how to know how many solutions there are to #1,2,3,or 5.

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