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 December 23rd, 2008, 11:05 AM #1 Newbie   Joined: Dec 2008 Posts: 2 Thanks: 0 Need help isolating a variable in an equation I'm having trouble isolating 'x' in this equation: y=(100x)/(x+16635) Can anyone help me?
 December 23rd, 2008, 02:14 PM #2 Newbie   Joined: Dec 2008 Posts: 2 Thanks: 0 Re: Need help isolating a variable in an equation Nevermind, think I figured it out, after all. y=(x*100)÷(x+16635) (x*y)+(16635*y)=x*100 y+(16635*y÷x)=100 16635*y÷x=100-y 16635*y=(100-y)*x (16635*y)÷(100-y)=x
 December 23rd, 2008, 03:04 PM #3 Senior Member   Joined: Jul 2008 Posts: 895 Thanks: 0 Re: Need help isolating a variable in an equation OK, but you may have done just a little more than necessary. Not so important here, but good habits pay off in the long run. y=(x*100)÷(x+16635) (x*y)+(16635*y)=x*100 100x-yx = 16635y (100-y)x = 16635y x = 16635y/(100-y)

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