x uchun yechish
x = -\frac{38}{13} = -2\frac{12}{13} \approx -2,923076923
Grafik
Baham ko'rish
Klipbordga nusxa olish
4\left(4x+9\right)=3x-2
Tenglamaning ikkala tarafini 8 ga, 2,8 ning eng kichik karralisiga ko‘paytiring.
16x+36=3x-2
4 ga 4x+9 ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
16x+36-3x=-2
Ikkala tarafdan 3x ni ayirish.
13x+36=-2
13x ni olish uchun 16x va -3x ni birlashtirish.
13x=-2-36
Ikkala tarafdan 36 ni ayirish.
13x=-38
-38 olish uchun -2 dan 36 ni ayirish.
x=\frac{-38}{13}
Ikki tarafini 13 ga bo‘ling.
x=-\frac{38}{13}
\frac{-38}{13} kasri manfiy belgini olib tashlash bilan -\frac{38}{13} sifatida qayta yozilishi mumkin.
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}