The situation is “a gain of 9 yards” \
The word gain indicates positive, the symbol is “+”
The equation represents the current situation is +9
Locate the integer “9” on the number line.
The graph is,
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"number](\"/userfiles/image/Library/Pre_Algebra/number_line_diagram_a_equal_9_yards.gif\")
![\"\"](\"/userfiles/image/steps_images/solution.JPG\")