pers.garis yang melalui titik A(2,-3) dan tegak lurus garis 2y+3x-5=0

Bab Persamaan GarisMatematika SMP Kelas VIII
ax + by + c = 0, tegak lurus, (p, q)bx - ay - (ap - aq) = 0

3x + 2y - 5 = 0, tegak lurus, (2, -3)
2x - 3y - (2 . 2 - 3 . (-3)) = 0
2x - 3y - (4 + 9) = 0
2x - 3y - 13 = 0