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y - (-2)= -⅓(x - (-5))
y + 2 = -⅓(x +5)
y + 2 = -⅓x -5/3 (dikalikan 3)
3y +6 = -x -5
x + 3y +11 = 0
semoga membantu
x1= -5
y1= -2
Persamaan garis:
y-y1 = m(x-x1)
y+2 = -1/3 (x+5)
y+2 = -1/3x-5/3
y+1/3x = -5/3-2
y+1/3x = -11/3
atau
3y+x=-11