x uchun yechish
x = -\frac{5}{4} = -1\frac{1}{4} = -1,25
Grafik
Baham ko'rish
Klipbordga nusxa olish
\frac{2}{5}x-7-\frac{6}{5}x=-6
Ikkala tarafdan \frac{6}{5}x ni ayirish.
-\frac{4}{5}x-7=-6
-\frac{4}{5}x ni olish uchun \frac{2}{5}x va -\frac{6}{5}x ni birlashtirish.
-\frac{4}{5}x=-6+7
7 ni ikki tarafga qo’shing.
-\frac{4}{5}x=1
1 olish uchun -6 va 7'ni qo'shing.
x=1\left(-\frac{5}{4}\right)
Ikki tarafini -\frac{5}{4} va teskari kasri -\frac{4}{5} ga ko‘paytiring.
x=-\frac{5}{4}
-\frac{5}{4} hosil qilish uchun 1 va -\frac{5}{4} ni ko'paytirish.
Misollar
Ikkilik tenglama
{ x } ^ { 2 } - 4 x - 5 = 0
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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}