Respuesta :

dana2009salman

Answer:

We must subtract -21/2 from thrice the rational number -(8/3) to get 5/2

1. Using algebra: 3(-8/3) - x =(5/2)

x=(-16-5)/2

x= -21/2

2. We can verify this by the following:

3(-8/3) + 21/2=x

x=5/2

Step-by-step explanation:

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