Rewrite 4 − 5 using the additive inverse and display the new expression on a number line. 4 + 5 A horizontal number line is shown with labels from 0 to 16. A blue arrow begins at 0 and ends at 4. Another blue arrow begins at 4 and ends at 9. 4 − (−5) A horizontal number line is shown with labels from 0 to 16. A blue arrow begins at 0 and ends at 4. Another blue arrow begins at 4 and ends at 9. 5 − 4 A horizontal number line is shown with labels from negative 8 to positive 8. A blue arrow begins at 0 and ends at 5. A red arrow begins at 5 and ends at 1. 4 + (−5) A horizontal number line is shown with labels from negative 8 to positive 8. A blue arrow begins at 0 and goes to 4. A red arrow begins at 4 and goes to negative 1.