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