You can put this solution on YOUR website! [(6x+6y)/(y-x)] / [18/(5x-5y)]
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= [(6(x+y))/(y-x)] / [18/(5(x-y))]
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Invert the denominator fraction and multiply to get:
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= [(x+y)/(-(x-y)] * [5(x-y)/3]
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= [5(x+y)]/(-3)
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= (-5/3)(x+y)
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Cheers,
Stan H.
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