Question

Juan's age, x, is 4 times his age 15 years ago.

Which equation represents the statement?

Answer 1

x = 4(x − 15)

Explanation:

x is his current age.

x - 15 is his age 15 years ago.

If his current age, x, is four times his age 15 years ago, x - 15:

x = 4(x-15).