Step 1:

Let the number of books read Kyle is $\"\"$ .

Bernardo read three times as many books as Kyle is $\"\"$ .

Elan read twice as many books as kyle is $\"\"$ .

Nate read the same number of books as bernardo is $\"\"$ .

Kyle and Elan combined read 36 books.

$\"\"$

The number of books read Kyle is $\"\"$ .

Bernardo read books is $\"\"$ .

Elan read books is $\"\"$ .

Nate read books is $\"\"$ .

Solution:

The number of books read kyle is $\"\"$ .

Bernardo read books is $\"\"$ .

Elan read books is $\"\"$ .

Nate read books is $\"\"$ .