( 2 / ( x + y ) ) - ( 5 / ( x - y ) ) = -9 ( 1 / ( x + y ) ) + (3 / ( x - y ) ) = 1 I'm so sorry but i can't type as you do, but can you try to understand it. And thanks in advance.
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Put solve for and and then solve for and
I tried that but didn't go far, can you explain more detailed on how to continue from there?
Making the indicated substitutions gets you the equations Solve these for and and then substitute into the earlier substitutions. You should be able to solve both sets easily.
Oh thanks to you
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