Add to both sides of the inequality.
Find the slope and the y-intercept for the boundary line.
Rewrite in slope-intercept form.
The slope-intercept form is , where is the slope and is the y-intercept.
Reorder and .
Use the slope-intercept form to find the slope and y-intercept.
Find the values of and using the form .
The slope of the line is the value of , and the y-intercept is the value of .
Graph a dashed line, then shade the area below the boundary line since is less than .