tolong bantu eliminasikan 5x+2y=20 7x+4y=34
Matematika
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Pertanyaan
tolong bantu eliminasikan
5x+2y=20
7x+4y=34
5x+2y=20
7x+4y=34
1 Jawaban
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1. Jawaban gresafira
5x+2y=20 (x4)
7x+4y=34 (x2)
20x+8y=80
14x+8y = 68
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6x = 12
x = 2