x uchun yechish
x = -\frac{5}{2} = -2\frac{1}{2} = -2,5
Grafik
Baham ko'rish
Klipbordga nusxa olish
7x-14+2x+3=3\left(x-8\right)-2
7 ga x-2 ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
9x-14+3=3\left(x-8\right)-2
9x ni olish uchun 7x va 2x ni birlashtirish.
9x-11=3\left(x-8\right)-2
-11 olish uchun -14 va 3'ni qo'shing.
9x-11=3x-24-2
3 ga x-8 ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
9x-11=3x-26
-26 olish uchun -24 dan 2 ni ayirish.
9x-11-3x=-26
Ikkala tarafdan 3x ni ayirish.
6x-11=-26
6x ni olish uchun 9x va -3x ni birlashtirish.
6x=-26+11
11 ni ikki tarafga qo’shing.
6x=-15
-15 olish uchun -26 va 11'ni qo'shing.
x=\frac{-15}{6}
Ikki tarafini 6 ga bo‘ling.
x=-\frac{5}{2}
\frac{-15}{6} ulushini 3 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}