2b < 8

My answer is that b is less than or equal to 3.9. Is that correct? If not, can you explain why it isn't, please?

b< or = to 3.9 is correct, but you could just say b<4.

Thanks :)

i don't understand it can you show me the steps?

I don get this problem:
4(x-2)<2(x-3)