x uchun yechish
x=3
Grafik
Baham ko'rish
Klipbordga nusxa olish
34-2x-5=2\left(x+7\right)+x
2x+5 teskarisini topish uchun har birining teskarisini toping.
29-2x=2\left(x+7\right)+x
29 olish uchun 34 dan 5 ni ayirish.
29-2x=2x+14+x
2 ga x+7 ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
29-2x=3x+14
3x ni olish uchun 2x va x ni birlashtirish.
29-2x-3x=14
Ikkala tarafdan 3x ni ayirish.
29-5x=14
-5x ni olish uchun -2x va -3x ni birlashtirish.
-5x=14-29
Ikkala tarafdan 29 ni ayirish.
-5x=-15
-15 olish uchun 14 dan 29 ni ayirish.
x=\frac{-15}{-5}
Ikki tarafini -5 ga bo‘ling.
x=3
3 ni olish uchun -15 ni -5 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}