Answer:
r= -5/3
Step-by-step explanation:
:Simplify both sides of the equation.
2+3r+3=0
(3r)+(2+3)=0(Combine Like Terms)
3r+5=0
3r+5=0
Step 2: Subtract 5 from both sides.
3r+5−5=0−5
3r=−5
Step 3: Divide both sides by 3.
3r
3
=
−5
3
r=
−5
3
He made an error in step 3
-32 + 4 = -28
Answer: 
Step-by-step explanation:
Given
New mail carrier takes 4 hours for delivery i.e.
New mail carrier completes
part of work in 1 hour
Old mail carrier takes 3 hours for delivery i.e.
mail carrier completes
part of work in 1 hour
If they work together, they complete the work in x hours i.e.

Answer:
$38.64
Step-by-step explanation:
so the equation needed to solve is $56*0.25 and that number is 14. Since it is a coupon you subtract 14 from 56 and end up with 42. Now multiply 0.08*42 and you got your sales tax, $3.36. now subtract that from 42 and you have your answer! Don't forget the dollar sign!
hope this helped! : )
Step-by-step explanation:
Here is your answer
http://www.lasesp.com/article/16336607434947849/Surprise_Gift