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y = -2/3x +2
Gradiennya = -2/3
y-2 = -2/3(x+3)
y -2 = -2/3 x - 2
y = -2/3 x
( -3,2) = (x1, y1)
jika a // b maka gradienya ma = mb
2x + 3y = 6
m = - 2/3
maka persamaan garisnya
y - y1 = m(x - x1)
y - 2 = - 2/3 ( x + 3)
y - 2 = - 2/3x - 6/3 kalikan 3
3y - 6 = - 2x - 6
2x + 3y - 6 + 6 = 0
2x + 3y = 0
atau
3y = - 2x
semoga membantu ^_^