Answer
$$y = -3x + 3$$
Work Step by Step
Slope-Intercept Form of an Equation of a Line: $y = mx + b$
With $m = slope = -3$ and $b = \text{ y-intercept }= 3$, then the equation of the line in slope-intercept form is:
$$y = (-3)x + 3 $$ $$y = -3x + 3$$
