Answer
-24
Work Step by Step
The given equation is direct variation as y is equal to x times a constant, $a$. In this case, we see that the constant of variation is -8, since that is the value x is multiplied by.
$$ -48 =6a \\ a =-8$$
Thus:
$y=-8x$
So, when x=3:
$y=-8(3)=-24$
