Are these equations equivalent?

Is -24 a solution to the equation -16+2x=-64

If (x + 8) is a factor of f(x), which of the following must be true? both x = –8 and x = 8 are roots of f(x). neither x = –8 nor x = 8 is a root of f(x). f(–8) = 0 f(8) = 0

Sawsan recorded the favorite sport of students at her school. she surveyed 200 students. how many students chose tennis?