A school district purchases a high-volume printer, copier, and scanner for $31,000. After 10 years, the equipment will have to be replaced. Its value...

A school district purchases a high-volume printer, copier, and scanner for $31,000. After 10 years, the equipment will have to be replaced. Its value at that time is expected to be $1500. Write a linear equation giving the value V of the equipment during the 10 years it will be in use.