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# Subject Of The Formula Have I done it right? Watch

1. http://prntscr.com/aygjzz

The question said to rearrange this formula to make x the subject.

The formula being on top of that sheet.

2. (Original post by junayd1998)
http://prntscr.com/aygjzz

The question said to rearrange this formula to make x the subject.

The formula being on top of that sheet.

Remember the algebra rule : do the same to the whole of the left-hand-side as you do to the whole of the right-hand-side.

So if you want to multiply both sides by 2 you have:

3. (Original post by junayd1998)
http://prntscr.com/aygjzz

The question said to rearrange this formula to make x the subject.

The formula being on top of that sheet.

There's an error on your second line, where you multiply both sides by 2. (You didn't mutliply the 3x term correctly). Otherwise, it's fine.

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Updated: April 29, 2016
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