3X Y=8 dan X+2Y=5 Di eliminasikan -
3x - y = 8 | x2 | 6x -2y = 16
x + 2y = 5 | x1 | x + 2y = 5 +
7x = 21
x = 21 : 7 = 3
x + 2y = 5
3 + 2y = 5
2y = 5 - 3
2y = 2
y = 1
Jadi, x = 3 dan y = 1
Bagaimana caranya membuka mata bathin?
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