x uchun yechish
x=\frac{63}{80}=0,7875
Grafik
Baham ko'rish
Klipbordga nusxa olish
300\left(-\frac{6\times 3+2}{3}\right)x+1800=3\times 75
Tenglamaning ikkala tarafini 300 ga, 3,100 ning eng kichik karralisiga ko‘paytiring.
300\left(-\frac{18+2}{3}\right)x+1800=3\times 75
18 hosil qilish uchun 6 va 3 ni ko'paytirish.
300\left(-\frac{20}{3}\right)x+1800=3\times 75
20 olish uchun 18 va 2'ni qo'shing.
\frac{300\left(-20\right)}{3}x+1800=3\times 75
300\left(-\frac{20}{3}\right) ni yagona kasrga aylantiring.
\frac{-6000}{3}x+1800=3\times 75
-6000 hosil qilish uchun 300 va -20 ni ko'paytirish.
-2000x+1800=3\times 75
-2000 ni olish uchun -6000 ni 3 ga bo‘ling.
-2000x+1800=225
225 hosil qilish uchun 3 va 75 ni ko'paytirish.
-2000x=225-1800
Ikkala tarafdan 1800 ni ayirish.
-2000x=-1575
-1575 olish uchun 225 dan 1800 ni ayirish.
x=\frac{-1575}{-2000}
Ikki tarafini -2000 ga bo‘ling.
x=\frac{63}{80}
\frac{-1575}{-2000} ulushini -25 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.
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