Question

(8,3-k)•4,7=5,64 (9,2-m)•3,2=16

Answer 1

(8,3-k)•4,7=5,64
8,3-k=5,64:4,7
8,3-k=1,2
k=8,3 - 1,2
k=7,1

(9,2-m)•3,2=16
9,2-m=16:3,2
9,2-m=5
m=9,2-5
m=4,2

Answer 2

I'm sorry, but I'm not quite sure what you're asking for. The two equations you've provided do not appear to be related to each other, nor do they contain a question or a request for information.

If you could provide more context or clarify your question, I would be happy to help you to the best of my abilities.