SOLUTION: when does a system of linear equations has a unique solution? no Solution? and Infinitely many solutions?

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Question 255885: when does a system of linear equations has a unique solution? no Solution? and Infinitely many solutions?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
Unique solution is when the 2 lines intersect.
No solution when the 2 lines are parallel.
Infinite solutions occur when the 2 lines are the same.