tolong kerjakan yang b dan c ya... dengan caranya ya
b) 2x - 4y = 6 | x1 | 2x - 4y = 6 x + 2y = 11 | x2 | 2x + 4y = 22 _ -8y = -16 y = -16/-8 y = 2 Masukkan y, 2x - 4y = 6 2x - 4(2) = 6 2x - 8 = 6 2x = 6 + 8 2x = 14 x = 14/2 x = 7 Jadi, HP = {7, 2} c) 4x + 2y = 2 | x1 | 4x + 2y = 2 2x - 3y = 5 | x2 | 4x - 6y = 10 _ 8y = -8 ...