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3x - 2y = 16 dikalikan 2
menjadi
6x + 9y = 6
6x - 4 y = 32 _
13y = -26
y = -26/13
y = -2
subtitusikan
2x + 3y = 2
2x + 3(-2) = 2
2x - 6 = 2
2x = 2 +6
2x = 8
x = 8/2
x = 4
nilai dari
1/8x . y = 1/8 x 4 x 2
= 1/2 x 2
= 1