z uchun yechish
z=2
Baham ko'rish
Klipbordga nusxa olish
2\left(z+1\right)+3\left(z+2\right)=18
Tenglamaning ikkala tarafini 6 ga, 3,2 ning eng kichik karralisiga ko‘paytiring.
2z+2+3\left(z+2\right)=18
2 ga z+1 ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
2z+2+3z+6=18
3 ga z+2 ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
5z+2+6=18
5z ni olish uchun 2z va 3z ni birlashtirish.
5z+8=18
8 olish uchun 2 va 6'ni qo'shing.
5z=18-8
Ikkala tarafdan 8 ni ayirish.
5z=10
10 olish uchun 18 dan 8 ni ayirish.
z=\frac{10}{5}
Ikki tarafini 5 ga bo‘ling.
z=2
2 ni olish uchun 10 ni 5 ga bo‘ling.
Misollar
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