Question

What should be added to twice of the rational number -5/3 to get -9/7?

-113/21

43/21

-43/21

113/21

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Answer 1

Answer:

Let the rational number be x.

2 * -5/3 + x = -9/7

-10/3 + x = -9/7

x = -9/7 + 10/3

x = -27/21 + 70 / 21

x = 43/21