x uchun yechish
x=-1
Grafik
Baham ko'rish
Klipbordga nusxa olish
2\left(x+2\right)-5\left(x-1\right)=10-2x
Tenglamaning ikkala tarafini 10 ga, 5,2 ning eng kichik karralisiga ko‘paytiring.
2x+4-5\left(x-1\right)=10-2x
2 ga x+2 ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
2x+4-5x+5=10-2x
-5 ga x-1 ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
-3x+4+5=10-2x
-3x ni olish uchun 2x va -5x ni birlashtirish.
-3x+9=10-2x
9 olish uchun 4 va 5'ni qo'shing.
-3x+9+2x=10
2x ni ikki tarafga qo’shing.
-x+9=10
-x ni olish uchun -3x va 2x ni birlashtirish.
-x=10-9
Ikkala tarafdan 9 ni ayirish.
-x=1
1 olish uchun 10 dan 9 ni ayirish.
x=-1
Ikkala tarafini -1 ga ko‘paytiring.
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}