hi, Im a bit puzzled on a question and answer

I have 5-ax=b and I have to make x the subject. The given answer is x=5-b/a but Im not getting how this is achived

Dave

Printable View

- March 7th 2013, 02:16 AMdavellew69changing the subject of a formula
hi, Im a bit puzzled on a question and answer

I have 5-ax=b and I have to make x the subject. The given answer is x=5-b/a but Im not getting how this is achived

Dave - March 7th 2013, 02:19 AMProve ItRe: changing the subject of a formula
- March 7th 2013, 02:23 AMdavellew69Re: changing the subject of a formula
thanks, just two questions from -ax=b-5 why does the a lose its - and why is b-5 switched around?

Dave - March 7th 2013, 02:24 AMProve ItRe: changing the subject of a formula
- March 7th 2013, 02:27 AMdavellew69Re: changing the subject of a formula
can you explain why you multiply both side by -1 and what is meant by distriute? by multiplying both side by -1 would that not make b+5

dave