SOLUTION: The sum of two numbers is 57. One of the numbers is 21. Which of the following equations could be used to find the other number?

Algebra ->  Equations -> SOLUTION: The sum of two numbers is 57. One of the numbers is 21. Which of the following equations could be used to find the other number?       Log On


   



Question 356497: The sum of two numbers is 57. One of the numbers is 21. Which of the following equations could be used to find the other number?
Answer by Fombitz(32388) About Me  (Show Source):