2/x+2/3y=6,2/x-1/y=1 solve
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x is equal to let 1/x be a and 1/y be b then 2a + 2b / 3 = 6 and 6a + 2b = 18 and 2a - b = 1 and solving equation you get then a = 2 and x = 1/2 and b = 3 and y = 1/3
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