x uchun yechish
x = -\frac{62}{7} = -8\frac{6}{7} \approx -8,857142857
Grafik
Viktorina
Linear Equation
- 7 x - 64 = - 2
Baham ko'rish
Klipbordga nusxa olish
-7x=-2+64
64 ni ikki tarafga qo’shing.
-7x=62
62 olish uchun -2 va 64'ni qo'shing.
x=\frac{62}{-7}
Ikki tarafini -7 ga bo‘ling.
x=-\frac{62}{7}
\frac{62}{-7} kasri manfiy belgini olib tashlash bilan -\frac{62}{7} sifatida qayta yozilishi mumkin.
Misollar
Ikkilik tenglama
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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}