Solve for E (complex solution)
\left\{\begin{matrix}E=\frac{x-y}{x}\text{, }&x\neq 0\\E\in \mathrm{C}\text{, }&y=0\text{ and }x=0\end{matrix}\right.
Solve for x (complex solution)
\left\{\begin{matrix}x=-\frac{y}{E-1}\text{, }&E\neq 1\\x\in \mathrm{C}\text{, }&y=0\text{ and }E=1\end{matrix}\right.
Solve for E
\left\{\begin{matrix}E=\frac{x-y}{x}\text{, }&x\neq 0\\E\in \mathrm{R}\text{, }&y=0\text{ and }x=0\end{matrix}\right.
Solve for x
\left\{\begin{matrix}x=-\frac{y}{E-1}\text{, }&E\neq 1\\x\in \mathrm{R}\text{, }&y=0\text{ and }E=1\end{matrix}\right.
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x-Ex=y
Swap sides so that all variable terms are on the left hand side.
-Ex=y-x
Subtract x from both sides.
\left(-x\right)E=y-x
The equation is in standard form.
\frac{\left(-x\right)E}{-x}=\frac{y-x}{-x}
Divide both sides by -x.
E=\frac{y-x}{-x}
Dividing by -x undoes the multiplication by -x.
E=-\frac{y}{x}+1
Divide y-x by -x.
x-Ex=y
Swap sides so that all variable terms are on the left hand side.
\left(1-E\right)x=y
Combine all terms containing x.
\frac{\left(1-E\right)x}{1-E}=\frac{y}{1-E}
Divide both sides by 1-E.
x=\frac{y}{1-E}
Dividing by 1-E undoes the multiplication by 1-E.
x-Ex=y
Swap sides so that all variable terms are on the left hand side.
-Ex=y-x
Subtract x from both sides.
\left(-x\right)E=y-x
The equation is in standard form.
\frac{\left(-x\right)E}{-x}=\frac{y-x}{-x}
Divide both sides by -x.
E=\frac{y-x}{-x}
Dividing by -x undoes the multiplication by -x.
E=-\frac{y}{x}+1
Divide y-x by -x.
x-Ex=y
Swap sides so that all variable terms are on the left hand side.
\left(1-E\right)x=y
Combine all terms containing x.
\frac{\left(1-E\right)x}{1-E}=\frac{y}{1-E}
Divide both sides by 1-E.
x=\frac{y}{1-E}
Dividing by 1-E undoes the multiplication by 1-E.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
699 * 533
Matrix
\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]
Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}