Verified answer

Ola Felipe

x - 3y + 1 = 0

3y = x + 1

y = (x + 1)/3

m1 = 1/3

m1*m2 = -1

m2 = -1/m1 = -1/(1/3) = -3

y + 5 = -3*(x - 3)

y + 5 = -3x + 9

3x + y - 4 = 0

pronto

(y+5)=3,(x-3)

y+5=3x-9

3x-y-14=0