x uchun yechish
x = \frac{23}{19} = 1\frac{4}{19} \approx 1,210526316
Grafik
Baham ko'rish
Klipbordga nusxa olish
12x+3\left(x-1\right)=18-2\left(2x-1\right)
Tenglamaning ikkala tarafini 6 ga, 2,3 ning eng kichik karralisiga ko‘paytiring.
12x+3x-3=18-2\left(2x-1\right)
3 ga x-1 ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
15x-3=18-2\left(2x-1\right)
15x ni olish uchun 12x va 3x ni birlashtirish.
15x-3=18-4x+2
-2 ga 2x-1 ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
15x-3=20-4x
20 olish uchun 18 va 2'ni qo'shing.
15x-3+4x=20
4x ni ikki tarafga qo’shing.
19x-3=20
19x ni olish uchun 15x va 4x ni birlashtirish.
19x=20+3
3 ni ikki tarafga qo’shing.
19x=23
23 olish uchun 20 va 3'ni qo'shing.
x=\frac{23}{19}
Ikki tarafini 19 ga bo‘ling.
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