x uchun yechish
x=\frac{9}{22}\approx 0,409090909
Grafik
Baham ko'rish
Klipbordga nusxa olish
18x+9=40x
Tenglamaning ikkala tarafini 90 ga, 5,10,9 ning eng kichik karralisiga ko‘paytiring.
18x+9-40x=0
Ikkala tarafdan 40x ni ayirish.
-22x+9=0
-22x ni olish uchun 18x va -40x ni birlashtirish.
-22x=-9
Ikkala tarafdan 9 ni ayirish. Har qanday sonni noldan ayirsangiz, o‘zining manfiyi chiqadi.
x=\frac{-9}{-22}
Ikki tarafini -22 ga bo‘ling.
x=\frac{9}{22}
Ikkala surat va maxrajdan manfiy belgini olib tashlash bilan \frac{-9}{-22} kasrini \frac{9}{22} ga soddalashtirish mumkin.
Misollar
Ikkilik tenglama
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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}