6x+5y=30 dan 4x+5y=20
Matematika
Tiaramutamaroh11
Pertanyaan
6x+5y=30 dan 4x+5y=20
1 Jawaban
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1. Jawaban indahkim1
6x + 5y = 30
4x + 5y = 20
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x = 10
6x + 5y = 30
6(10) + 5y = 30
60 + 5y = 30
5y = 30 - 60
5y = -30
y = -30/5
y = -6
maka nilai
x = 10
y = -6