x uchun yechish
x=\frac{47}{3}-3z
z uchun yechish
z=-\frac{x}{3}+\frac{47}{9}
Viktorina
Linear Equation
3 x + 9 z = 47
Baham ko'rish
Klipbordga nusxa olish
3x=47-9z
Ikkala tarafdan 9z ni ayirish.
\frac{3x}{3}=\frac{47-9z}{3}
Ikki tarafini 3 ga bo‘ling.
x=\frac{47-9z}{3}
3 ga bo'lish 3 ga ko'paytirishni bekor qiladi.
x=\frac{47}{3}-3z
47-9z ni 3 ga bo'lish.
9z=47-3x
Ikkala tarafdan 3x ni ayirish.
\frac{9z}{9}=\frac{47-3x}{9}
Ikki tarafini 9 ga bo‘ling.
z=\frac{47-3x}{9}
9 ga bo'lish 9 ga ko'paytirishni bekor qiladi.
z=-\frac{x}{3}+\frac{47}{9}
47-3x ni 9 ga bo'lish.
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}