Posted by **Alex** on Tuesday, September 28, 2010 at 9:43am.

Add and subtract the rational expressions as indicated. Be sure to express your answer in simplest form

((9)/(7x)) + ((1)/(2y)) -1

I got an aswer of (16y)/(7x+2y+1)) but when I submit it shows me as wrong. Can anyone help, thanks

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