y uchun yechish
y = \frac{9}{5} = 1\frac{4}{5} = 1,8
Grafik
Baham ko'rish
Klipbordga nusxa olish
2y=7y-7-2
7 ga y-1 ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
2y=7y-9
-9 olish uchun -7 dan 2 ni ayirish.
2y-7y=-9
Ikkala tarafdan 7y ni ayirish.
-5y=-9
-5y ni olish uchun 2y va -7y ni birlashtirish.
y=\frac{-9}{-5}
Ikki tarafini -5 ga bo‘ling.
y=\frac{9}{5}
Ikkala surat va maxrajdan manfiy belgini olib tashlash bilan \frac{-9}{-5} kasrini \frac{9}{5} ga soddalashtirish mumkin.
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}