x uchun yechish
x = -\frac{18}{5} = -3\frac{3}{5} = -3,6
Grafik
Baham ko'rish
Klipbordga nusxa olish
9-2x-3=3\left(x+8\right)
2x+3 teskarisini topish uchun har birining teskarisini toping.
6-2x=3\left(x+8\right)
6 olish uchun 9 dan 3 ni ayirish.
6-2x=3x+24
3 ga x+8 ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
6-2x-3x=24
Ikkala tarafdan 3x ni ayirish.
6-5x=24
-5x ni olish uchun -2x va -3x ni birlashtirish.
-5x=24-6
Ikkala tarafdan 6 ni ayirish.
-5x=18
18 olish uchun 24 dan 6 ni ayirish.
x=\frac{18}{-5}
Ikki tarafini -5 ga bo‘ling.
x=-\frac{18}{5}
\frac{18}{-5} kasri manfiy belgini olib tashlash bilan -\frac{18}{5} sifatida qayta yozilishi mumkin.
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}