x uchun yechish
x=-\frac{2}{3}\approx -0,666666667
Grafik
Baham ko'rish
Klipbordga nusxa olish
2x-4-4=-2\left(-7x+1\right)-3x
2 ga x-2 ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
2x-8=-2\left(-7x+1\right)-3x
-8 olish uchun -4 dan 4 ni ayirish.
2x-8=14x-2-3x
-2 ga -7x+1 ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
2x-8=11x-2
11x ni olish uchun 14x va -3x ni birlashtirish.
2x-8-11x=-2
Ikkala tarafdan 11x ni ayirish.
-9x-8=-2
-9x ni olish uchun 2x va -11x ni birlashtirish.
-9x=-2+8
8 ni ikki tarafga qo’shing.
-9x=6
6 olish uchun -2 va 8'ni qo'shing.
x=\frac{6}{-9}
Ikki tarafini -9 ga bo‘ling.
x=-\frac{2}{3}
\frac{6}{-9} ulushini 3 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.
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}