Are you searching for how much Eva has or Justin?
-2 (3+5y-10) = 34
Step 1) -6-10y+20=34
Step 2) -10y+20=40
Step 3) -10y=20
Step 4) y = -2
Answer is -2
Simply the answer would be .38 if this is not correct then i failed
<span>You will need to weight those balls only twice.
You weight 6 balls, 3 on one side of weight and 3 on another, and other
3 balls you have are in your hand.
Check picture bellow</span>