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Verified answer
Mapel : MatematikaBab : Persamaan Garis
( 5 , - 3 )
x1 = 5
y1 = -3
m1 = -2/3
m1 x m2 = -1
-2/3 x m2 = -1
m2 = -1 x (-3/2)
m2 = 3/2
y - y1 = m ( x - x1 )
y - (-3) = 3/2 ( x - 5 )
y + 3 = 3/2x - 15/2
2y + 6 = 3x - 15
2y = 3x - 15 - 6
2y = 3x - 21
3x - 2y = 21
3x - 2y - 21 = 0