Question

William says that 15 years from now, his age will be 3 times his age 5 years ago. If x represents William’s present age, complete the following sentences.

15 years
18 years
x − 15 = 3(x + 5)
x + 15 = 3(x − 5)

Answer 1

x+15 = 3(x-5)
+15 because 15 from now
-5 because 5 years ago

Answer 2

x + 15= 3(x - 5)

Explanation: