y uchun yechish
y = \frac{7}{2} = 3\frac{1}{2} = 3,5
Grafik
Baham ko'rish
Klipbordga nusxa olish
6y-4-4\left(2y-5\right)=9
2 ga 3y-2 ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
6y-4-8y+20=9
-4 ga 2y-5 ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
-2y-4+20=9
-2y ni olish uchun 6y va -8y ni birlashtirish.
-2y+16=9
16 olish uchun -4 va 20'ni qo'shing.
-2y=9-16
Ikkala tarafdan 16 ni ayirish.
-2y=-7
-7 olish uchun 9 dan 16 ni ayirish.
y=\frac{-7}{-2}
Ikki tarafini -2 ga bo‘ling.
y=\frac{7}{2}
Ikkala surat va maxrajdan manfiy belgini olib tashlash bilan \frac{-7}{-2} kasrini \frac{7}{2} 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}