x uchun yechish
x=\frac{6}{13}\approx 0,461538462
Grafik
Baham ko'rish
Klipbordga nusxa olish
8-4x+1=2x+2-5\left(1-4x\right)
4 ga 2-x ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
9-4x=2x+2-5\left(1-4x\right)
9 olish uchun 8 va 1'ni qo'shing.
9-4x=2x+2-5+20x
-5 ga 1-4x ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
9-4x=2x-3+20x
-3 olish uchun 2 dan 5 ni ayirish.
9-4x=22x-3
22x ni olish uchun 2x va 20x ni birlashtirish.
9-4x-22x=-3
Ikkala tarafdan 22x ni ayirish.
9-26x=-3
-26x ni olish uchun -4x va -22x ni birlashtirish.
-26x=-3-9
Ikkala tarafdan 9 ni ayirish.
-26x=-12
-12 olish uchun -3 dan 9 ni ayirish.
x=\frac{-12}{-26}
Ikki tarafini -26 ga bo‘ling.
x=\frac{6}{13}
\frac{-12}{-26} ulushini -2 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.
Misollar
Ikkilik tenglama
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometriya
4 \sin \theta \cos \theta = 2 \sin \theta
Chiziqli tenglama
y = 3x + 4
Arifmetik
699 * 533
Matritsa
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
Simli tenglama
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differensatsiya
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Oʻngga
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Chegaralar
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}