I'm new to this forum and I was hoping someone could please help me with something.
I'm trying to learn algebra and am working through a book doing all the practice exercises. There is one question in particular under the subject of changing the subject of a formula that I don't know how the answer was derived.
The question is:
Make y the subject of
The answer is
I can't figure out how they've come to that answer and there is no explanation in the book. Can anyone help please?
Thanks everyone. No Wilmer, I don't understand that.
Skeeter, you also sent me a reply and I have it in my email but can't see it in the actual thread anymore. I understand your rational up to the step after you subtract y from both sides. So to confirm I understand Step 1 is to multiply by xy and Step 2 is to subtract y. But then I completely don't understand the next step where 1 is subtracted. Where does the 1 come from?? Thanks all! Sorry, I probably sound really thick!!