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-3y = -2x + 1
y = 2/3 x - 1/3 (m=2/3 sejajar berarti m1=m2)
pers garis yg melalui (-1,4) dan m=2/3
y - y1 = m(x-x1)
y - 4 = 2/3 (x-(-1))
y - 4 = 2/3 x + 2/3
y = 2/3 x + 2/3 + 4
3y = 2x + 2 + 12
3y = 2x + 14
3y - 2x - 14 = 0
-3 × 4 = -12
2x - 3y - ( -2 - 12 ) = 0
2x - 3y + 14 = 0