Question

the numer that should be added twice the ratinal number -7/3 to get 3/7 is -199/21​

Answer 1

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The question can be expressed as :

3/7 + x = -3/4 (let the rational no. be x)

or x = -3/4–3/7

or x = -21–12/28

or x = -33/28

Hence, the rational no. which should be added to 3/7 to get -3/4 is -33/28.

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