x uchun yechish
x = \frac{9}{2} = 4\frac{1}{2} = 4,5
Grafik
Baham ko'rish
Klipbordga nusxa olish
30x+25-12\left(5+5\right)=40
Tenglamaning ikkala tarafini 60 ga, 2,12,5,3 ning eng kichik karralisiga ko‘paytiring.
30x+25-12\times 10=40
10 olish uchun 5 va 5'ni qo'shing.
30x+25-120=40
-120 hosil qilish uchun -12 va 10 ni ko'paytirish.
30x-95=40
-95 olish uchun 25 dan 120 ni ayirish.
30x=40+95
95 ni ikki tarafga qo’shing.
30x=135
135 olish uchun 40 va 95'ni qo'shing.
x=\frac{135}{30}
Ikki tarafini 30 ga bo‘ling.
x=\frac{9}{2}
\frac{135}{30} ulushini 15 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.
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}