Elliot has a total of 26 books. He has 12 more fiction books than nonfiction books. Let x represent the number of fiction books.
Which equation represents the situation?
x + (x – 12) = 26

How many fiction books does Elliot have?
19

How many nonfiction books does Elliot have?
7

Given: lines a and b are parallel and line c is a transversal. prove: 2 is supplementary to 8 what is the missing reason in the proof? statement reason 1. a || b, is a transv 1. given 2. ∠6 ≅ ∠2 2. ? 3. m∠6 = m∠2 3. def. of congruent 4. ∠6 is supp. to ∠8 4. def. of linear pair 5. ∠2 is supp. to ∠8 5. congruent supplements theorem corresponding angles theorem alternate interior angles theorem vertical angles theorem alternate exterior angles theorem