Question

determine the equation of the line wih slope of -3 an containing the point (-7,2)

Answer 1

y-2=-3(x+7)
y=-3x-21+2
y=-3x-19

Answer 2

y=mx+b , m=-3 , (-7,2)
2=-3(-7)+b
2=21+b
-21+2=b
-19=b
so the equation is y=-3x=19