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Verified answer
Persamaan Garis Lurus.5x + 3y = 15 → x = (15 - 3y) / 5
3x + 5y = -7
3[(15 - 3y) / 5] + 5y = -7
3(15 - 3y) + 25y = -35 → y = -5
x = [15 - 3(-5)] / 5 = 6
Koordinat titik potongnya (6, -5).