x uchun yechish
x>-\frac{7}{2}
Grafik
Viktorina
Algebra
7 x - 2 > 5 x - 9
Baham ko'rish
Klipbordga nusxa olish
7x-2-5x>-9
Ikkala tarafdan 5x ni ayirish.
2x-2>-9
2x ni olish uchun 7x va -5x ni birlashtirish.
2x>-9+2
2 ni ikki tarafga qo’shing.
2x>-7
-7 olish uchun -9 va 2'ni qo'shing.
x>-\frac{7}{2}
Ikki tarafini 2 ga bo‘ling. 2 musbat bo‘lgani uchun, tengsizlik yo‘nalishi o‘zgarmaydi.
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}