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Subject of the formula.

I've currently got a quick and short question about making something the subject of the formula. I've managed to do most of it myself, I'm just stuck on the last bit.

Here is a picture of what I've got so far, how do I make 't' the subject of the formula?

Here is a picture of the formula: http://puu.sh/7chNU.jpg

Thanks!
Reply 1
t is almost the subject of the formula, all you need to do is take the -3 to the other side :smile:

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