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6x - 11 = 3/5y
When y = -1 then, 6x - 11 = 3/(5 x -1) = 3/-5 = -3/5 : Add 11 to both sides
6x = 11 - 3/5 = 102/5 : Convert the mixed number to an improper fraction
6x = 52/5 : Divide both sides by 6
x = 52/5 x 6 = 52/30 = 26/15 = 111/15
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