Write a real-world example for the following algebraic expression: 2x - 2

At the store every lollipop coasts $2 you have a coupon that will give you $2 off any purchase.  

Step-by-step explanation:

2= the coast for each single lollipop

x= the number of lollipops you buy

-2= the $2 taken off your purchase due to your coupon

17.08

correct me if i am wrong.

i believe that the answer is

b. y-1=-2(x-4)

hope this !