X + y = 10 atau x + y – 10 = 0, , = , y2-y1 x2-x1, = , 4-(-1) -2-3, = , 4+1 -2-3, = , 5 -5, -5 (y+1) = 5 (x-3), -5y-5 = 5x-15, -5y-5-5x+15 = 0, -5y-5x+10 = 0,
X + y = 10 atau x + y – 10 = 0, , = , y2-y1 x2-x1, = , 4-(-1) -2-3, = , 4+1 -2-3, = , 5 -5, -5 (y+1) = 5 (x-3), -5y-5 = 5x-15, -5y-5-5x+15 = 0, -5y-5x+10 = 0,