Question 713464

Anita: (12+2x)
Betty: x
Solution:
600=(12+2x)+x : Simplify
600-12= 2x+x
588= 3x : Divide both sides by 3 to get x
196=x

Answer:
Anita: (12+2x)
= 12+ 2(196)
= 12+392
= 404
Betty: x = 196