How can I solve for I in this equation?

[HappyFlower]

Homework Statement

I am trying to find I by rearranging the equation but i am having some trouble.

Homework Equations

mgh=(2y^2/t^2)(m+I/r^2)

The Attempt at a Solution

It is attached

below.

 

[dRic2]

You're almost there! Two more steps and it's done!

 

[phinds]

Well ... just keep going

 

[HappyFlower]

so do i mutiply r^2 to the other side? then - the m?

 

[dRic2]

so do i mutiply r^2 to the other side? then - the m?

You can't multiply only one side of the equation

But you're close. BTW You have two possibilities

 

[HappyFlower]

would this be right?

 

[dRic2]

PS: Try to learn LaTex if you need to write equations. You will save yourself the trouble of posting an image every time.