u uchun yechish
u=-\frac{5v}{9}+28
v uchun yechish
v=\frac{252-9u}{5}
Baham ko'rish
Klipbordga nusxa olish
7\left(u-3\right)+5\left(v-4\right)=210-\left(2u-1\right)
Tenglamaning ikkala tarafini 35 ga, 5,7,35 ning eng kichik karralisiga ko‘paytiring.
7u-21+5\left(v-4\right)=210-\left(2u-1\right)
7 ga u-3 ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
7u-21+5v-20=210-\left(2u-1\right)
5 ga v-4 ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
7u-41+5v=210-\left(2u-1\right)
-41 olish uchun -21 dan 20 ni ayirish.
7u-41+5v=210-2u+1
2u-1 teskarisini topish uchun har birining teskarisini toping.
7u-41+5v=211-2u
211 olish uchun 210 va 1'ni qo'shing.
7u-41+5v+2u=211
2u ni ikki tarafga qo’shing.
9u-41+5v=211
9u ni olish uchun 7u va 2u ni birlashtirish.
9u+5v=211+41
41 ni ikki tarafga qo’shing.
9u+5v=252
252 olish uchun 211 va 41'ni qo'shing.
9u=252-5v
Ikkala tarafdan 5v ni ayirish.
\frac{9u}{9}=\frac{252-5v}{9}
Ikki tarafini 9 ga bo‘ling.
u=\frac{252-5v}{9}
9 ga bo'lish 9 ga ko'paytirishni bekor qiladi.
u=-\frac{5v}{9}+28
252-5v ni 9 ga bo'lish.
7\left(u-3\right)+5\left(v-4\right)=210-\left(2u-1\right)
Tenglamaning ikkala tarafini 35 ga, 5,7,35 ning eng kichik karralisiga ko‘paytiring.
7u-21+5\left(v-4\right)=210-\left(2u-1\right)
7 ga u-3 ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
7u-21+5v-20=210-\left(2u-1\right)
5 ga v-4 ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
7u-41+5v=210-\left(2u-1\right)
-41 olish uchun -21 dan 20 ni ayirish.
7u-41+5v=210-2u+1
2u-1 teskarisini topish uchun har birining teskarisini toping.
7u-41+5v=211-2u
211 olish uchun 210 va 1'ni qo'shing.
-41+5v=211-2u-7u
Ikkala tarafdan 7u ni ayirish.
-41+5v=211-9u
-9u ni olish uchun -2u va -7u ni birlashtirish.
5v=211-9u+41
41 ni ikki tarafga qo’shing.
5v=252-9u
252 olish uchun 211 va 41'ni qo'shing.
\frac{5v}{5}=\frac{252-9u}{5}
Ikki tarafini 5 ga bo‘ling.
v=\frac{252-9u}{5}
5 ga bo'lish 5 ga ko'paytirishni bekor qiladi.
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