The sum of three consecutive natural numbers is 426, find the numbers.

(A) First, write out an equation that models the relationship between these three numbers:     

 x\displaystyle {x}  + + = 426
    2nd number   3rd number    

(B) Now, simplify the left side of your equation:

        = 426

(C) Solve your equation and identify the three numbers:  

      The three numbers in increasing order are , , and