x uchun yechish
x = \frac{189}{79} = 2\frac{31}{79} \approx 2,392405063
Grafik
Baham ko'rish
Klipbordga nusxa olish
10\left(3x+2\right)-25\left(5x-7\right)=2\left(-8x+3\right)
Tenglamaning ikkala tarafini 50 ga, 5,2,25 ning eng kichik karralisiga ko‘paytiring.
30x+20-25\left(5x-7\right)=2\left(-8x+3\right)
10 ga 3x+2 ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
30x+20-125x+175=2\left(-8x+3\right)
-25 ga 5x-7 ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
-95x+20+175=2\left(-8x+3\right)
-95x ni olish uchun 30x va -125x ni birlashtirish.
-95x+195=2\left(-8x+3\right)
195 olish uchun 20 va 175'ni qo'shing.
-95x+195=-16x+6
2 ga -8x+3 ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
-95x+195+16x=6
16x ni ikki tarafga qo’shing.
-79x+195=6
-79x ni olish uchun -95x va 16x ni birlashtirish.
-79x=6-195
Ikkala tarafdan 195 ni ayirish.
-79x=-189
-189 olish uchun 6 dan 195 ni ayirish.
x=\frac{-189}{-79}
Ikki tarafini -79 ga bo‘ling.
x=\frac{189}{79}
Ikkala surat va maxrajdan manfiy belgini olib tashlash bilan \frac{-189}{-79} kasrini \frac{189}{79} ga soddalashtirish mumkin.
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Chegaralar
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