tentukan persamaan garis yang melalui titik (-12,7) dan bergradien berikut! b.2 per 3 tolong yah:)

y - y1 = m(x-x1)
y - 7 = 2/3(x-(-12))
y - 7 = 2/3x + 8
---------------------- × 3
3y - 21 = 2x + 24
-2x + 3y - 21 - 24 = 0
-2x + 3y - 45 = 0

persamaan garis
y - y1= m(x-x1)
y - 7 = 2/3(x-(-12))
y-7 = 2/3(x+12)
3(y-7)=2(x+12)
3y-21=2x+24
3y = 2x+24+21
3y = 2x+45
2x-3y+45= 0 (1)
2x-3y = -45 (2)
y = 2x+45/3
y = 2x/3+15. (3)