Respuesta :

-31 = -39 - y/8
-31 + 39 = - y/8
8 = - y/8
-8 = y/8
y = -8 x 8
y = -64

Answer:  -64

Step-by-step explanation:  -31 = -39 - y/8  

                                             +39    +39              

                                                       Undo subtraction by adding 39 to both sides

8=-y/8  

(-8)(8)=(y/-8)(-8)    Undo division by multiplying both sides by -8

-64=y

y=-64

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