Question

In sequences 1,7,13,19, ...., each number is 6 more than the number before it. In the sequences 1,9,17,25,...., each number is 8 more than the number before it. The two sequences have infinitely many numbers in common. Find the sum of the first three common numbers?
Please explain it step-by-step

Answer 1

Answer:

I think 17, but I'm not sure.

Step-by-step explanation:

here's what I think.

So I don't know how to write it, but I got this,

14 + 2 + 1