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m1 = m2
m1 = -4/3
Menggunakan rumus y-y0 = m(x-x0),
y-3 = -4/3(x-2) <-- dikali 3
3y-9 = -4(x-2)
3y-9=-4x+8
4x+3y-17 = 0 <--Jawaban
x₁= 2 y₁= 3
4x + 3y - 6= 0
3y= -4x + 6
y= -4/3 atau m₁= -4/3
karena sejajar, maka :
m₁ = m₂
-4/3 = -4/3
y - y₁ = m₂(x - x₁)
y - 3= -4/3(x - 2)
y - 3= -4/3x + 8/3
3y - 9= -4x + 8
3y= -4x + 8 + 9
3y= -4x + 17
atau
4x + 3y - 17= 0