Question

Six times Jason's collection of books and one-third of Nathan's collection add up to 134 books. One-third of Jason's collection and Nathan's entire collection add up to 31 books.

Answer 1

Let J = number of Jason's books
Let N = number of Jason's books

See if you think these equations accurately describe the problem:

6*J + (1/3)*N = 134
(1/3) * J + N = 31

Answer 2

If so, solve those simultaneously.

Answer 3

so i just divide those two number

Answer 4

You can solve them simultaneously by addition/subtraction or substitution.