x uchun yechish
x = \frac{22}{15} = 1\frac{7}{15} \approx 1,466666667
Grafik
Baham ko'rish
Klipbordga nusxa olish
3\left(x-1\right)-18x=-25
Tenglamaning ikkala tarafini 18 ga, 6,18 ning eng kichik karralisiga ko‘paytiring.
3x-3-18x=-25
3 ga x-1 ni ko'paytirish orqali distributiv xususiyatdan foydalanish.
-15x-3=-25
-15x ni olish uchun 3x va -18x ni birlashtirish.
-15x=-25+3
3 ni ikki tarafga qo’shing.
-15x=-22
-22 olish uchun -25 va 3'ni qo'shing.
x=\frac{-22}{-15}
Ikki tarafini -15 ga bo‘ling.
x=\frac{22}{15}
Ikkala surat va maxrajdan manfiy belgini olib tashlash bilan \frac{-22}{-15} kasrini \frac{22}{15} ga soddalashtirish mumkin.
Misollar
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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}