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x₁= 7 y₁= -3
x₂= -5 y₂= 6
m= (y₂ - y₁) / (x₂ - x₁)
= (6 - (-3)) / (- 5 - 7)
= (6 + 3) / -12
= 9 / -12
= - 3/4
jadi, grdiennya adalah -3/4
x1= 7 , x2= -5, y1= -3, y2=6
(y-y1) / (y2- y1) = (x- x1)/ (x2-x1)
(y - (-3)) / (6- (-3)) = (x - 7) / (-5 -7)
(y + 3)/ 9 = (x-7) / -12
(y-3) x (-12) = (x-7) x 9
9x +12y -27 =0