w uchun yechish
w = \frac{37}{20} = 1\frac{17}{20} = 1,85
Baham ko'rish
Klipbordga nusxa olish
20w+8=5\left(2\times 4+1\right)
Tenglamaning ikkala tarafini 20 ga, 5,4 ning eng kichik karralisiga ko‘paytiring.
20w+8=5\left(8+1\right)
8 hosil qilish uchun 2 va 4 ni ko'paytirish.
20w+8=5\times 9
9 olish uchun 8 va 1'ni qo'shing.
20w+8=45
45 hosil qilish uchun 5 va 9 ni ko'paytirish.
20w=45-8
Ikkala tarafdan 8 ni ayirish.
20w=37
37 olish uchun 45 dan 8 ni ayirish.
w=\frac{37}{20}
Ikki tarafini 20 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}