Question 173638
 Equations describing the same line

·  have an Infinite number of solutions such as.....x+y=3 and 3x+3y=9...these are the same lines....the 2nd is 3 time the first.
:

Lines  that do not intersect (Parallel Lines; having the same slope) 
have No solutions 

example: y=2/3x+7
........y=2/3x+9