x uchun yechish
x = \frac{3}{2} = 1\frac{1}{2} = 1,5
Grafik
Baham ko'rish
Klipbordga nusxa olish
7x-\left(14-2x-5\right)=18-\left(3x+15-4x\right)
2x+5 teskarisini topish uchun har birining teskarisini toping.
7x-\left(9-2x\right)=18-\left(3x+15-4x\right)
9 olish uchun 14 dan 5 ni ayirish.
7x-9-\left(-2x\right)=18-\left(3x+15-4x\right)
9-2x teskarisini topish uchun har birining teskarisini toping.
7x-9+2x=18-\left(3x+15-4x\right)
-2x ning teskarisi 2x ga teng.
9x-9=18-\left(3x+15-4x\right)
9x ni olish uchun 7x va 2x ni birlashtirish.
9x-9=18-\left(-x+15\right)
-x ni olish uchun 3x va -4x ni birlashtirish.
9x-9=18-\left(-x\right)-15
-x+15 teskarisini topish uchun har birining teskarisini toping.
9x-9=18+x-15
-x ning teskarisi x ga teng.
9x-9=3+x
3 olish uchun 18 dan 15 ni ayirish.
9x-9-x=3
Ikkala tarafdan x ni ayirish.
8x-9=3
8x ni olish uchun 9x va -x ni birlashtirish.
8x=3+9
9 ni ikki tarafga qo’shing.
8x=12
12 olish uchun 3 va 9'ni qo'shing.
x=\frac{12}{8}
Ikki tarafini 8 ga bo‘ling.
x=\frac{3}{2}
\frac{12}{8} ulushini 4 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}