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a-1-b-\left(-c\right)+2\left(a-c+2\left(b+a\right)\right)
b-c teskarisini topish uchun har birining teskarisini toping.
a-1-b+c+2\left(a-c+2\left(b+a\right)\right)
-c ning teskarisi c ga teng.
a-1-b+c+2\left(a-c+2b+2a\right)
2 ga b+a ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
a-1-b+c+2\left(3a-c+2b\right)
3a ni olish uchun a va 2a ni birlashtirish.
a-1-b+c+6a-2c+4b
2 ga 3a-c+2b ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
7a-1-b+c-2c+4b
7a ni olish uchun a va 6a ni birlashtirish.
7a-1-b-c+4b
-c ni olish uchun c va -2c ni birlashtirish.
7a-1+3b-c
3b ni olish uchun -b va 4b ni birlashtirish.
a-1-b-\left(-c\right)+2\left(a-c+2\left(b+a\right)\right)
b-c teskarisini topish uchun har birining teskarisini toping.
a-1-b+c+2\left(a-c+2\left(b+a\right)\right)
-c ning teskarisi c ga teng.
a-1-b+c+2\left(a-c+2b+2a\right)
2 ga b+a ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
a-1-b+c+2\left(3a-c+2b\right)
3a ni olish uchun a va 2a ni birlashtirish.
a-1-b+c+6a-2c+4b
2 ga 3a-c+2b ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
7a-1-b+c-2c+4b
7a ni olish uchun a va 6a ni birlashtirish.
7a-1-b-c+4b
-c ni olish uchun c va -2c ni birlashtirish.
7a-1+3b-c
3b ni olish uchun -b va 4b ni birlashtirish.