5x - y =7 X = x2-4x-5
Matematika
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Pertanyaan
5x - y =7
X = x2-4x-5
X = x2-4x-5
1 Jawaban
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1. Jawaban ARIEFroux
5x+y= 7
5(2)+y= 7
10+y= 7
y = 7-10= -3
4x+3y = 4(2)+(-3)=8-9=-1