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y = -2x + 6
Gradien (m) nya adalah -2
Persamaan garisnya
y - y1 = m (x - x1)
y - 3 = -2 (x - (-4))
y - 3 = -2x -8
2x + y = -5
b. 5x + 2y = 0
2y = -5x
y = -5/2x
Gradien (m) nya adalah -5/2
Persamaan garisnya
y - y1 = m (x - x1)
y - 4 = -5/2 (x - (-5))
2 (y - 4) = -5 (x + 5)
2y - 8 = -5x - 25
5x + 2y = -17