x uchun yechish
x=-17
Grafik
Baham ko'rish
Klipbordga nusxa olish
8-4x+5=-3\left(2x+3\right)-12
4 ga 2-x ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
13-4x=-3\left(2x+3\right)-12
13 olish uchun 8 va 5'ni qo'shing.
13-4x=-6x-9-12
-3 ga 2x+3 ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
13-4x=-6x-21
-21 olish uchun -9 dan 12 ni ayirish.
13-4x+6x=-21
6x ni ikki tarafga qo’shing.
13+2x=-21
2x ni olish uchun -4x va 6x ni birlashtirish.
2x=-21-13
Ikkala tarafdan 13 ni ayirish.
2x=-34
-34 olish uchun -21 dan 13 ni ayirish.
x=\frac{-34}{2}
Ikki tarafini 2 ga bo‘ling.
x=-17
-17 ni olish uchun -34 ni 2 ga bo‘ling.
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}