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2/5 (d-10) - 2/3 (d+6)

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Answer:


(2)/(5) (d - 10) - (2)/(3) (d + 6) \\ = (2d)/(5) - (20)/(5) - (2d)/(3) - (12)/(3) \\ = (2d)/(5) - (2d)/(3) - (20)/(5) - (12)/(3) \\ = (6d - 10d)/(15) - 4 - 4 \\ = ( - 4d)/(15) - 8 \\ = ( - 4d - 120)/(15 ) \\ = - ( (4d + 120)/(15) )

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