linear equation

Question

The current population of a small city is 46000 people. Due to a loss of jobs, the population is decreasing by an average of 350 people per year. How many years (from now) will it take for the population to decrease to 39000 people?A) Write an equation you can use to answer this question. Be sure all the numbers given above appear in your equation. Use  as your variable and use no commas in your equation.

Answer 1

46,000-350x=39,000

46,000-39,000=350x

7000=350x

x=7000/350

x=20 years