write 5-log2(4y) as a single quantity

Answer 1

assuming log2 (4y) means log₂ (4y)

I could write 5 as log₂ 32

so we have:
5 - log₂ (4y)
= log₂ 32 - log₂ (4y)
= log₂ (32/(4y))
= log₂ (8/y)