x+20 \% x=18
x uchun yechish
x=15
Grafik
Baham ko'rish
Klipbordga nusxa olish
x+\frac{1}{5}x=18
\frac{20}{100} ulushini 20 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.
\frac{6}{5}x=18
\frac{6}{5}x ni olish uchun x va \frac{1}{5}x ni birlashtirish.
x=18\times \frac{5}{6}
Ikki tarafini \frac{5}{6} va teskari kasri \frac{6}{5} ga ko‘paytiring.
x=\frac{18\times 5}{6}
18\times \frac{5}{6} ni yagona kasrga aylantiring.
x=\frac{90}{6}
90 hosil qilish uchun 18 va 5 ni ko'paytirish.
x=15
15 ni olish uchun 90 ni 6 ga bo‘ling.
Misollar
Ikkilik tenglama
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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}