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gradien = m = -a/b = -2/-3 = 2/3
karena sejajar maka m1= m2 = 2/3
maka persamaan grs yg melalui titik (2,-3) dan gradien 2/3 adalah
y-y1 = m(x-x1)
y-(-3)) = 2/3 (x-2)
3(y+3) = 2(x-2)
3y +9 = 2x - 4
2x -3y -4 -9 = 0
2x - 3y - 13 = 0