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Matematika
Indahpspt
Pertanyaan
Sama caranya ya mksh:)
1 Jawaban
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1. Jawaban XealouZ
x² + y² = 49
x² + y² - 8x - 6y + 21 = 0
49 - 8x - 6y + 21 = 0
70 - 8x - 6y = 0
70 = 8x + 6y
Disederhanakan (÷2)
4x + 3y = 35
Lalu Dikalikan (x7)
28x + 21y = 245
The answer is E. 28x + 21y = 245