Martin needs help being a better friend and remembering how old his friends are. He can't remember their ages but he knows how to find their ages. He knows that Jennifer is three years less than twice his age. Sally is three years more than Martin. His friend, Gabby, is five years less than him.
Write an expression for Jennifer's, Sally's and Gabby's age, where x represents Martins age.
Jennifer:
Sally:
Gabby: