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6x+8y = 38 (persamaan 2 dikali 2)
dikurang
y = 1
lalu dimasukkan ke
2x + 3y = 13
2x + 3(1) = 13
2x = 10
x = 5
3x+4y=19 dikali 2 6y+8y=38
dikuranggi
y=1
eliminasi
2x+3y=13
2x+3(1)=13
2x+3=13
2x=13-3
2x=10
x=10:2
x=5