CPM Homework Help : AC Problem 12-108

Find the equation of the line perpendicular to $3x-y=4$ that goes through the point $\left(-12,4\right)$ .

Hint:

Solve the equation for $y$ .

Hint 2:

The slope of a perpendicular line is the opposite reciprocal of the original line.

Hint 3:

Use the slope of the line and the point to solve for $b$ .