I guess it is simplifying the expression:

Answer:
<em>x</em> = 28 Hours
Step-by-step explanation:
if you start with 20 bags done then you take that away from the 1000 and you have 980. Then you do 35x <em>x </em>or 35x28 = 980.
Answer:
x = 24
Step-by-step explanation:
y= -16
-16 x 6 = -96
y= -96
x= 4
4 x 6 = 24
x=24
Answer:
Where's the rest of the question?
Answer:
it's 5 because 20 -15 is 5