2(x-1)=x+4 don't understand how to solve this

In 2009, there were 1570 bears in a wildlife refuge. in 2010, the population had increased to approximately 1884 bears. if this trend continues and the bear population is increasing exponentially, how many bears will there be in 2018?

Which value of y will make the inequality y< -1 false?

Which of the following is an example of conditional probability