y= 3x - 8
slope intercept formula:
y=mx+b
Where:
m= slope
b= y-intercept
Parallel lines have equal slopes:
y= 3x + b
Replace ( x,y) by the given point (4,-5) and solve for b
-5 = 3(4) + b
-5 = 12 +b
-5-12 = b
-17 = b
Final equation
y= 3x - 17
C. y = 3x - 17