Persamaan garis titik D(-3,1) dan sejajar garis x+4y+5=0

x+4y+5=0 melewati titik (-3,1)
m1 = -1/4 = -¼
m2=m1 → -¼

y-y1 = m2(x-x1)
y-1 = -¼(x+3)
4(y-1) = -1(x+3)
4y-4 = -x-3
4y+x-4+3 = 0
4y+x-1 = 0