tentukan HP ={x,y} ={..} 2×+3y=7 3×+y=7
Matematika
meilanireny
Pertanyaan
tentukan HP ={x,y} ={..}
2×+3y=7
3×+y=7
2×+3y=7
3×+y=7
1 Jawaban
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1. Jawaban nafinur
2x+3y = 7 dikali 1
3x+y = 7 dikali 3
2x+3y = 7
9x+3y = 21
__________ -
-7x = -14
x = 2
2x+3y = 7
2(2)+3y = 7
4+3y =7
3y = 7-4
3y = 3
y = 1
HP = {2,1}