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3y= -2x -6
y= -2/3 x -2
M1 = -2/3
Sejajar= m1 = m2
M2 = -2/3
X1= 3 ; y1= -2
Y-y1 = m (x-x1)
Y- (-2) = -2/3 (x - 3)
Y+ 2 = -2/3 (x-3)
3y+ 6 = -2 (x-3)
3y+ 6 = -2x + 6
3y + 2x +6 -6 = 0
3y + 2x =0 (A)
x1=3
persamaangaris=3y+2x+6=0
(angka didepan x adalah a
angka didepan y adalah b
konstantanya adalah c)
m=?
garis tsb sejajar maka m1=m2
m=-a/b
=-2/3
y-y1=m(x-x1)
y--2=-2/3(x-3)
y+2=-2/3(x-3)
3(y+2)=-2(x-3)
3y+6=-2x+6
3y+2x=6-6
3y+2x=0 (A)
semoga membantu:)