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8. what should be added to 11/7 to get 9/7.9. find value of (3/8)×(-5/7).​

Answer»

-2/7  and  -15/56Step-by-step explanation:11/7 + X =9/7   ==>  x=9/7 - 11/7  ==> x=(9-11)/7  ==>x= -2/73/8 * -5/7  ==>  3*-5 / 8*7  ==>  -15/56



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