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What is the value in mathematics?
1. The condition that there is a unique solution is that two straight lines intersect.

Then, as long as these two lines are not parallel and coincide, they will intersect.

Therefore: K≠3k- 1, and b is an arbitrary value.

That is, k ≠ 0.5 and b are arbitrary values.

2. The condition of no solution is that two straight lines are parallel but not coincident.

So k=3k- 1, b≠2.

So: k=0.5, b≠2.

3. The condition of infinite solution is that two straight lines coincide.

So k = 3k- 1 and b = 2.

So: k=0.5, b=2.