April 2020 1 176 Report
Jika x dan y memenuhi \frac{5x + 3y+ 7}{x + 2y} = -16 dan \frac{3x - y - 8}{5x + 7y} = 3 , nilai dari (2x-y) adalah...
A.-4
B.2
C.4
D.6
E.8
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