x uchun yechish
x = \frac{7}{6} = 1\frac{1}{6} \approx 1,166666667
Grafik
Baham ko'rish
Klipbordga nusxa olish
2-x=\frac{1}{5+2}\left(7-x\right)
1 olish uchun 4 dan 3 ni ayirish.
2-x=\frac{1}{7}\left(7-x\right)
7 olish uchun 5 va 2'ni qo'shing.
2-x=\frac{1}{7}\times 7+\frac{1}{7}\left(-1\right)x
\frac{1}{7} ga 7-x ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
2-x=1+\frac{1}{7}\left(-1\right)x
7 va 7 ni qisqartiring.
2-x=1-\frac{1}{7}x
-\frac{1}{7} hosil qilish uchun \frac{1}{7} va -1 ni ko'paytirish.
2-x+\frac{1}{7}x=1
\frac{1}{7}x ni ikki tarafga qo’shing.
2-\frac{6}{7}x=1
-\frac{6}{7}x ni olish uchun -x va \frac{1}{7}x ni birlashtirish.
-\frac{6}{7}x=1-2
Ikkala tarafdan 2 ni ayirish.
-\frac{6}{7}x=-1
-1 olish uchun 1 dan 2 ni ayirish.
x=-\left(-\frac{7}{6}\right)
Ikki tarafini -\frac{7}{6} va teskari kasri -\frac{6}{7} ga ko‘paytiring.
x=\frac{7}{6}
\frac{7}{6} hosil qilish uchun -1 va -\frac{7}{6} ni ko'paytirish.
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