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16-05-2017
Mathematics

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What is the quotient?

What is the quotient class=

Respuesta :

16-05-2017

a-3/7÷3-a/21
change ÷ to × and flip second fraction
a-3/7 × 21/3-a
simplify
a-3 / 7 × (7×3)/-1 (a-3)
1 / 1 × 3 / -1
-3 is the answer

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