Respuesta :

Answer:

The answer is B

Step-by-step explanation:

-2 = 2/3(1) - 8/3 = -2

-2 = -2

Answer:

a,b

Step-by-step explanation:

a)1+1/2(-1)=0

1+(-1)=0

0=0

check

b)

-2=2/3(1)-8/3

-2=2/3-8/3

-2=-2

check

c)-2=-4(1)-9

-2=-4-9

-2=-13

wrong

d)

-1/2(1)+2(-2)=-5

-1/2-4=-5

-4.5=-5

wrong