Question

@Astrophysics

Answer 1

That's a good question!

Answer 2

It is...

Answer 3

Basically when you get a solution of such result, it means you have coincidental lines. What does that mean? I'll show you.

Answer 4

ok

Answer 5

You see this means two lines are on each other (layman's term), looking at two lines on each other tells us quite a few things, 1. You'll have infinite many points, 2. infinite many solutions, 3. same slope, 4. same y - int, 5. it's a true statement since 4 = 4.