y uchun yechish
y=8
Grafik
Baham ko'rish
Klipbordga nusxa olish
-4y+21=-12+y-7
-4y ni olish uchun 2y va -6y ni birlashtirish.
-4y+21=-19+y
-19 olish uchun -12 dan 7 ni ayirish.
-4y+21-y=-19
Ikkala tarafdan y ni ayirish.
-5y+21=-19
-5y ni olish uchun -4y va -y ni birlashtirish.
-5y=-19-21
Ikkala tarafdan 21 ni ayirish.
-5y=-40
-40 olish uchun -19 dan 21 ni ayirish.
y=\frac{-40}{-5}
Ikki tarafini -5 ga bo‘ling.
y=8
8 ni olish uchun -40 ni -5 ga bo‘ling.
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}