Roger is a wildlife researcher who has been hired to study and track the population of beers and the national park in one year of study Roger determines that the park is home to experience in 2 years the population has increased to x plus 10 beers and in 3 years the population has increased it too ( use a distributive property to rewrite the beer population in 3 years without needing the parentheses

In 3 years, the beer population is given as x + 10 + x, which can be rewritten using the distributive property as 2x + 10.