Question 655012
  <pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi,
Tyler is <u>one year older than 3 times Clay's age</u>{{{highlight(x)}}}.
Clay's age:  x
Tyler's age: (3x+1)
Question states***sum of their ages is 21
Clay + Tyler = 21
  x + (3x+1) = 21
  x + 3x + 1 = 21
      4x = 20
       x = 5, Clay's age.  Tyler is 16
and...
 {{{5 + 16 = 21}}}