Question

Derrick is 4 years younger than twice his brothers age. Which expression could be used to find derricks age?

A. 2x-4
B. 4-2x2-4x

Answer 1

A. 2x-4

Explanation:

Let his brother's age be
`x`.

Derrick is 4 years younger than twice his brother's age. Which means derrick is 4 years younger than
`2x`.

Which makes derricks age
`2x-4` since he is 4 years younger