y uchun yechish
y = -\frac{45}{7} = -6\frac{3}{7} \approx -6,428571429
Grafik
Baham ko'rish
Klipbordga nusxa olish
120+15y+6y=-15
5 ga 24+3y ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
120+21y=-15
21y ni olish uchun 15y va 6y ni birlashtirish.
21y=-15-120
Ikkala tarafdan 120 ni ayirish.
21y=-135
-135 olish uchun -15 dan 120 ni ayirish.
y=\frac{-135}{21}
Ikki tarafini 21 ga bo‘ling.
y=-\frac{45}{7}
\frac{-135}{21} ulushini 3 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.
Misollar
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Matritsa
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Chegaralar
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