Question

Ann and Betty together have $60. Ann has 9$ more than twice betty’s account. How much money does each have

Answer 1

A + B = 60
A + 9 = 2B 

re-write
A + B = 60
A - 2B = -9
--------------subtract
3B = 69
  B = 23

A + 23 = 60
A = 60 -23
A = 37

answer
Ann: $37 
Betty: $23