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What should be added to twice the rational number -7/3 to get 3/7​

Sagot :

Answer:

b = 5/7

Step-by-step explanation:

b is a rational number then

2b + (-7/3l =3/7

2b = 3/7+7/3

2b = (9 + 21)/21

2b =30/21

b = 30/42

therefore

b =5/7