Answer
y-6=-3(x+3)
y=-3x-3
Work Step by Step
The desired line is perpendicular to a line with a slope of $\frac{1}{3}$, therefore our desired slope is m=-3
y-y$_1$=m(x-x$_1$)
y-6=-3(x+3)
y=-3x-9+6
y=-3x-3
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