Solving Systems of Linear Equations: Substitution Answers

Elliot has a total of 26 books. He has 12 more fiction books than nonfiction books. Let x represent the number of fiction books and y represent the number of nonfiction books. Which system of linear equations represents the situation?

What number would you multiply the second equation by in order to eliminate the x-terms when adding to the first equation? | What number would you multiply the second equation by in order to eliminate the y-terms when adding to the first equation?

What number would you multiply the second equation by in order to eliminate the x-terms when adding to the first equation? | What number would you multiply the second equation by in order to eliminate the y-terms when adding to the first equation?

Let x represent the number of short-sleeved shirts ordered and let y represent the number of long-sleeved shirts ordered. | How many short-sleeved shirts were ordered? | How many long-sleeved shirts were ordered?

Let x represent the number of short-sleeved shirts ordered and let y represent the number of long-sleeved shirts ordered. | How many short-sleeved shirts were ordered? | How many long-sleeved shirts were ordered?