SOLUTION: Alex bought a new truck for $42,l935. According to the dealer, the truck will depreciate approximately $4,200 per year. Write and solve a linear equation to find how many years unt

Algebra ->  Coordinate Systems and Linear Equations  -> Lessons  -> Linear Equations Lesson -> SOLUTION: Alex bought a new truck for $42,l935. According to the dealer, the truck will depreciate approximately $4,200 per year. Write and solve a linear equation to find how many years unt      Log On


   

Question 1131117: Alex bought a new truck for $42,l935. According to the dealer, the truck will depreciate approximately $4,200 per year. Write and solve a linear equation to find how many years until the car is worth $ 5,135.
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
5135=42935-4200x, where x is the number of years and 42935 is a constant that doesn't change per year (it was the initial cost).
-37800=-4200x
x=9 years.