y uchun yechish
y = \frac{48}{7} = 6\frac{6}{7} \approx 6,857142857
Grafik
Baham ko'rish
Klipbordga nusxa olish
-30+y=18-6y
Tenglamaning ikkala tarafini 2 ga ko'paytirish.
-30+y+6y=18
6y ni ikki tarafga qo’shing.
-30+7y=18
7y ni olish uchun y va 6y ni birlashtirish.
7y=18+30
30 ni ikki tarafga qo’shing.
7y=48
48 olish uchun 18 va 30'ni qo'shing.
y=\frac{48}{7}
Ikki tarafini 7 ga bo‘ling.
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