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Verified answer
3x + 4y = 18. | x 1 => 3x + 4y = 184x + y = 11 | x 4 => 16x + 4y = 44
pers. 1 dan 2 dikurang, maka - 13x = - 26, dan x = 2, y = 3
HP :{(2,3)}
#maaf jika salah semoga membantu