x*80%=22 eching

$$x \times 80 \% =22$$

x uchun yechish

$$x = \frac{55}{2} = 27\frac{1}{2} = 27,5$$

Chiziqli tenglamalarni yechish bo'yicha qadamlar

\frac{80}{100} ulushini 20 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$x\times \frac{4}{5}=22$$

Ikki tarafini \frac{5}{4} va teskari kasri \frac{4}{5} ga ko‘paytiring.

$$x=22\times \frac{5}{4}$$

22\times \frac{5}{4} ni yagona kasrga aylantiring.

$$x=\frac{22\times 5}{4}$$

110 hosil qilish uchun 22 va 5 ni ko'paytirish.

$$x=\frac{110}{4}$$

\frac{110}{4} ulushini 2 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$x=\frac{55}{2}$$