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3y = -2x + 1 y = -2/3 x + 1/3
m (gradien) = -2/3
B (-4,0) = (x1,y1)
y - y1 = m (x - x1)
y - 0 = -2/3 (x - (-4))
y - 0 = -2/3 (x + 4) y - 0 = -2/3x + -8/3 ---> semuanya dikali 3 supaya penyebut hilang
3y - 0 = -2x + (-8)
3y = -2x-8+0
3y = -2x - 8
persamaan garisnya adalah 3y = -2x - 8