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*B : 5y = 2x+1
**A: -4/3x+11/3 = 2/5x+1/5
**A: -26/15x = -52/15
**A: x=2
**B: Subtitusi x ke persamaan A
**B: y = -4/3x + 11/3
**B: y = -4/3(2) + 11/3
**B: y = 1
jadi titik potong garis 4x+3y=11 dgn 2x-5y=-1 adalah (2,1)