Solve for y (complex solution)
\left\{\begin{matrix}\\y=\frac{x}{3}\text{, }&\text{unconditionally}\\y\in \mathrm{C}\text{, }&x=0\end{matrix}\right.
Solve for y
\left\{\begin{matrix}\\y=\frac{x}{3}\text{, }&\text{unconditionally}\\y\in \mathrm{R}\text{, }&x=0\end{matrix}\right.
Solve for x
x=3y
x=0
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3xy=x^{2}
The equation is in standard form.
\frac{3xy}{3x}=\frac{x^{2}}{3x}
Divide both sides by 3x.
y=\frac{x^{2}}{3x}
Dividing by 3x undoes the multiplication by 3x.
y=\frac{x}{3}
Divide x^{2} by 3x.
3xy=x^{2}
The equation is in standard form.
\frac{3xy}{3x}=\frac{x^{2}}{3x}
Divide both sides by 3x.
y=\frac{x^{2}}{3x}
Dividing by 3x undoes the multiplication by 3x.
y=\frac{x}{3}
Divide x^{2} by 3x.
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{ x } ^ { 2 } - 4 x - 5 = 0
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Matrix
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Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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Limits
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