x uchun yechish
x=4
Grafik
Baham ko'rish
Klipbordga nusxa olish
7+2x-6-\left(x-1\right)=x+5-\left(x-1\right)
2 ga x-3 ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
1+2x-\left(x-1\right)=x+5-\left(x-1\right)
1 olish uchun 7 dan 6 ni ayirish.
1+2x-x-\left(-1\right)=x+5-\left(x-1\right)
x-1 teskarisini topish uchun har birining teskarisini toping.
1+2x-x+1=x+5-\left(x-1\right)
-1 ning teskarisi 1 ga teng.
1+x+1=x+5-\left(x-1\right)
x ni olish uchun 2x va -x ni birlashtirish.
2+x=x+5-\left(x-1\right)
2 olish uchun 1 va 1'ni qo'shing.
2+x=x+5-x-\left(-1\right)
x-1 teskarisini topish uchun har birining teskarisini toping.
2+x=x+5-x+1
-1 ning teskarisi 1 ga teng.
2+x=5+1
0 ni olish uchun x va -x ni birlashtirish.
2+x=6
6 olish uchun 5 va 1'ni qo'shing.
x=6-2
Ikkala tarafdan 2 ni ayirish.
x=4
4 olish uchun 6 dan 2 ni ayirish.
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}