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karena sejajar, maka m1 = m2 = -2/3
y - y1 = m ( x- x1 )
y - 5 = -2/3 ( x - (-2))
3y - 15 = -2 ( x + 2 )
3y - 15 = -2x - 4
3y + 2x = -4 + 15
3y + 2x = 9
3y + 2x - 9 = 0
2x + 3y = 2.-2 + 3. 5
2x + 3y = -4 + 15
2x + 3y = 11
3y - 2x = 11