3x + 5y = 54
**y = x - 2
**3x + 5(x - 2) = 54 3x + 5x -10 = 54 8x = 64 **x = 8
y = x - 2 y = 8 - 2 y = 6
**
The first number is 8, and the second number is 6. These values satisfy both equations given in the problem. Therefore, the numbers can be found using substitution in the equations.
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Jawaban:Penjelasan:Sebuah penelitian dilakukan untuk mengetahui perbedaan rata-rata kepuasan pelanggan terhadap dua jenis layanan (A dan B).