k uchun yechish
k = -\frac{10}{3} = -3\frac{1}{3} \approx -3,333333333
Baham ko'rish
Klipbordga nusxa olish
2+2k=-28-7k
Tenglamaning ikkala tarafini 7 ga ko'paytirish.
2+2k+7k=-28
7k ni ikki tarafga qo’shing.
2+9k=-28
9k ni olish uchun 2k va 7k ni birlashtirish.
9k=-28-2
Ikkala tarafdan 2 ni ayirish.
9k=-30
-30 olish uchun -28 dan 2 ni ayirish.
k=\frac{-30}{9}
Ikki tarafini 9 ga bo‘ling.
k=-\frac{10}{3}
\frac{-30}{9} ulushini 3 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.
Misollar
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