# Math Help - Really simple question

1. ## Really simple question

I have to rearrange the formula T-xy=3yz^2 to make y the subject. I know i shuold be able to do it but i just have a mental block. If someone can go through the stages it'd be much appreciated.

Thanks

Paul

2. Originally Posted by paulhunn
I have to rearrange the formula T-xy=3yz^2 to make y the subject. I know i shuold be able to do it but i just have a mental block. If someone can go through the stages it'd be much appreciated.

Thanks

Paul
$T-xy=3yz^2$

$T=3yz^2 + xy$

$T=y(3z^2 + x)$

$\frac{T}{3z^2 + x} = y$

is that right?

3. Thanks it is yes