1010n:7a-9b+6a-4b= eching

$$1010 n : 7 a - 9 b + 6 a - 4 b =$$

Baholash

$$\frac{1010an}{7}+6a-13b$$

Qisqa yechim qadamlari

\frac{1010n}{7}a ni yagona kasrga aylantiring.

$$\frac{1010na}{7}-9b+6a-4b$$

-13b ni olish uchun -9b va -4b ni birlashtirish.

$$\frac{1010na}{7}-13b+6a$$

Ifodalarni qo‘shish yoki ayirish uchun ularni yoyib, maxrajlarini bir xil qiling. -13b+6a ni \frac{7}{7} marotabaga ko'paytirish.

$$\frac{1010na}{7}+\frac{7\left(-13b+6a\right)}{7}$$

\frac{1010na}{7} va \frac{7\left(-13b+6a\right)}{7} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.

$$\frac{1010na+7\left(-13b+6a\right)}{7}$$

1010na+7\left(-13b+6a\right) ichidagi ko‘paytirishlarni bajaring.

$$\frac{1010na-91b+42a}{7}$$

Omil

$$\frac{1010an+42a-91b}{7}$$

Yechim qadamlari

\frac{1}{7} omili.

$$\frac{1010na-63b+42a-28b}{7}$$