Rewrite 7 − 8 using the additive inverse and display the new expression on a number line. 7 + (−8) an image of a horizontal number line is shown with labels from negative 2 to positive 8. an arrow begins at 0 and ends at 7. another arrow begins at 7 and ends at negative 1. 7 + 8 an image of a horizontal number line is shown with labels from 0 to 15. an arrow begins at 0 and ends at 7. another arrow begins at 7 and ends at 15. 7 − (−8) an image of a horizontal number line is shown with labels from 0 to 15. an arrow begins at 0 and ends at 7. another arrow begins at 7 and ends at 15. 8 − 7 an image of a horizontal number line is shown with labels from negative 2 to positive 8. an arrow begins at 0 and ends at 8. another arrow begins at 8 and ends at 1.