x+20%x=80 eching

$$x+20 \% x=80$$

x uchun yechish

$$x = \frac{200}{3} = 66\frac{2}{3} \approx 66,666666667$$

Chiziqli tenglamalarni yechish bo'yicha qadamlar

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

$$x+\frac{1}{5}x=80$$

\frac{6}{5}x ni olish uchun x va \frac{1}{5}x ni birlashtirish.

$$\frac{6}{5}x=80$$

Ikki tarafini \frac{5}{6} va teskari kasri \frac{6}{5} ga ko‘paytiring.

$$x=80\times \frac{5}{6}$$

80\times \frac{5}{6} ni yagona kasrga aylantiring.

$$x=\frac{80\times 5}{6}$$

400 hosil qilish uchun 80 va 5 ni ko'paytirish.

$$x=\frac{400}{6}$$

\frac{400}{6} ulushini 2 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$x=\frac{200}{3}$$