x uchun yechish
x=2
Grafik
Baham ko'rish
Klipbordga nusxa olish
3x+6+2x=7\left(x-1\right)+9
3 ga x+2 ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
5x+6=7\left(x-1\right)+9
5x ni olish uchun 3x va 2x ni birlashtirish.
5x+6=7x-7+9
7 ga x-1 ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
5x+6=7x+2
2 olish uchun -7 va 9'ni qo'shing.
5x+6-7x=2
Ikkala tarafdan 7x ni ayirish.
-2x+6=2
-2x ni olish uchun 5x va -7x ni birlashtirish.
-2x=2-6
Ikkala tarafdan 6 ni ayirish.
-2x=-4
-4 olish uchun 2 dan 6 ni ayirish.
x=\frac{-4}{-2}
Ikki tarafini -2 ga bo‘ling.
x=2
2 ni olish uchun -4 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}