(x*15%)*20%=7452= eching

$$(x \times 15 \% ) \times 20 \% =7452=$$

x uchun yechish

$$x=248400$$

Chiziqli tenglamalarni yechish bo'yicha qadamlar

\frac{15}{100} ulushini 5 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$x\times \frac{3}{20}\times \frac{20}{100}=7452$$

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

$$x\times \frac{3}{20}\times \frac{1}{5}=7452$$

Suratni maxrajga va maxrajini suratga ko‘paytirish orqali \frac{3}{20} ni \frac{1}{5} ga ko‘paytiring.

$$x\times \frac{3\times 1}{20\times 5}=7452$$

\frac{3\times 1}{20\times 5} kasridagi ko‘paytirishlarni bajaring.

$$x\times \frac{3}{100}=7452$$

Ikki tarafini \frac{100}{3} va teskari kasri \frac{3}{100} ga ko‘paytiring.

$$x=7452\times \frac{100}{3}$$

7452\times \frac{100}{3} ni yagona kasrga aylantiring.

$$x=\frac{7452\times 100}{3}$$

745200 hosil qilish uchun 7452 va 100 ni ko'paytirish.

$$x=\frac{745200}{3}$$

248400 ni olish uchun 745200 ni 3 ga bo‘ling.

$$x=248400$$