x_9 uchun yechish
x_{9} = -\frac{25}{3} = -8\frac{1}{3} \approx -8,333333333
Baham ko'rish
Klipbordga nusxa olish
-\frac{12}{3}+\frac{2}{3}=x_{9}+5
-4 ni -\frac{12}{3} kasrga o‘giring.
\frac{-12+2}{3}=x_{9}+5
-\frac{12}{3} va \frac{2}{3} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.
-\frac{10}{3}=x_{9}+5
-10 olish uchun -12 va 2'ni qo'shing.
x_{9}+5=-\frac{10}{3}
Tomonlarni almashtirib, barcha oʻzgaruvchi shartlar chap tomonga oʻtkazing.
x_{9}=-\frac{10}{3}-5
Ikkala tarafdan 5 ni ayirish.
x_{9}=-\frac{10}{3}-\frac{15}{3}
5 ni \frac{15}{3} kasrga o‘giring.
x_{9}=\frac{-10-15}{3}
-\frac{10}{3} va \frac{15}{3} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.
x_{9}=-\frac{25}{3}
-25 olish uchun -10 dan 15 ni ayirish.
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}