Answer:

Step-by-step explanation:
we have

step 1
Eliminate the parenthesis

The symbol of the term 3x is incorrect, must be positive instead of negative
so

Group terms that contain the same variable

Combine like terms

Answer:
16 cups of formula
Step-by-step explanation:
you take 16 (<em>the amount of bottles)</em> and multiply it by 4 (<em>the amount one bottle holds</em>)
which gets you 64 then you multiply that by 2 (<em> the amount of children</em>)
which gets you 128
then you divide by 8, because there are <em>8 fl oz in a cup</em>
which gets you 16
16 cups of formula