x uchun yechish
x=\frac{3z}{5}+\frac{23y}{20}-\frac{7}{20}
y uchun yechish
y=\frac{20x-12z+7}{23}
Baham ko'rish
Klipbordga nusxa olish
8y+12z-2+3y-4\left(5x-3y-1\right)=9
2 ga 4y+6z-1 ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
11y+12z-2-4\left(5x-3y-1\right)=9
11y ni olish uchun 8y va 3y ni birlashtirish.
11y+12z-2-20x+12y+4=9
-4 ga 5x-3y-1 ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
23y+12z-2-20x+4=9
23y ni olish uchun 11y va 12y ni birlashtirish.
23y+12z+2-20x=9
2 olish uchun -2 va 4'ni qo'shing.
12z+2-20x=9-23y
Ikkala tarafdan 23y ni ayirish.
2-20x=9-23y-12z
Ikkala tarafdan 12z ni ayirish.
-20x=9-23y-12z-2
Ikkala tarafdan 2 ni ayirish.
-20x=7-23y-12z
7 olish uchun 9 dan 2 ni ayirish.
-20x=7-12z-23y
Tenglama standart shaklda.
\frac{-20x}{-20}=\frac{7-12z-23y}{-20}
Ikki tarafini -20 ga bo‘ling.
x=\frac{7-12z-23y}{-20}
-20 ga bo'lish -20 ga ko'paytirishni bekor qiladi.
x=\frac{3z}{5}+\frac{23y}{20}-\frac{7}{20}
7-23y-12z ni -20 ga bo'lish.
8y+12z-2+3y-4\left(5x-3y-1\right)=9
2 ga 4y+6z-1 ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
11y+12z-2-4\left(5x-3y-1\right)=9
11y ni olish uchun 8y va 3y ni birlashtirish.
11y+12z-2-20x+12y+4=9
-4 ga 5x-3y-1 ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
23y+12z-2-20x+4=9
23y ni olish uchun 11y va 12y ni birlashtirish.
23y+12z+2-20x=9
2 olish uchun -2 va 4'ni qo'shing.
23y+2-20x=9-12z
Ikkala tarafdan 12z ni ayirish.
23y-20x=9-12z-2
Ikkala tarafdan 2 ni ayirish.
23y-20x=7-12z
7 olish uchun 9 dan 2 ni ayirish.
23y=7-12z+20x
20x ni ikki tarafga qo’shing.
23y=20x-12z+7
Tenglama standart shaklda.
\frac{23y}{23}=\frac{20x-12z+7}{23}
Ikki tarafini 23 ga bo‘ling.
y=\frac{20x-12z+7}{23}
23 ga bo'lish 23 ga ko'paytirishni bekor qiladi.
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