x uchun yechish
x = \frac{19}{7} = 2\frac{5}{7} \approx 2,714285714
Grafik
Baham ko'rish
Klipbordga nusxa olish
6x+4\left(x-1\right)-3\left(x+1\right)=12
Tenglamaning ikkala tarafini 12 ga, 2,3,4 ning eng kichik karralisiga ko‘paytiring.
6x+4x-4-3\left(x+1\right)=12
4 ga x-1 ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
10x-4-3\left(x+1\right)=12
10x ni olish uchun 6x va 4x ni birlashtirish.
10x-4-3x-3=12
-3 ga x+1 ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
7x-4-3=12
7x ni olish uchun 10x va -3x ni birlashtirish.
7x-7=12
-7 olish uchun -4 dan 3 ni ayirish.
7x=12+7
7 ni ikki tarafga qo’shing.
7x=19
19 olish uchun 12 va 7'ni qo'shing.
x=\frac{19}{7}
Ikki tarafini 7 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}