Answer:
y = -1/3x + 4
Step-by-step explanation:
Slope-intercept form is y=mx+b where m is slope and b is y-intercept. Substituting the given slope of -1/3 in for m and the given y-intercept of 4 in for b, the equation of the line would be y = -1/3x + 4. Hope this helps :)
