### Home > INT1 > Chapter 4 > Lesson 4.1.2 > Problem 4-20

4-20.

Write an equation for the following situation. You do not need to solve it.

Laura takes very good care of her vehicles. She owns a blue van and a red truck. Although she bought them both new, she has owned the truck for

Let represent the age of the blue van.

What expression would represent the age of the red truck?

is the age of the red truck.

The sum of the two ages equals