Solve for k (complex solution)
\left\{\begin{matrix}k=-\frac{2x}{2y-3}\text{, }&y\neq \frac{3}{2}\\k\in \mathrm{C}\text{, }&x=0\text{ and }y=\frac{3}{2}\end{matrix}\right.
Solve for k
\left\{\begin{matrix}k=-\frac{2x}{2y-3}\text{, }&y\neq \frac{3}{2}\\k\in \mathrm{R}\text{, }&x=0\text{ and }y=\frac{3}{2}\end{matrix}\right.
Solve for x
x=\frac{k\left(3-2y\right)}{2}
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2x+2ky=3k
Multiply both sides of the equation by 2.
2x+2ky-3k=0
Subtract 3k from both sides.
2ky-3k=-2x
Subtract 2x from both sides. Anything subtracted from zero gives its negation.
\left(2y-3\right)k=-2x
Combine all terms containing k.
\frac{\left(2y-3\right)k}{2y-3}=-\frac{2x}{2y-3}
Divide both sides by 2y-3.
k=-\frac{2x}{2y-3}
Dividing by 2y-3 undoes the multiplication by 2y-3.
2x+2ky=3k
Multiply both sides of the equation by 2.
2x+2ky-3k=0
Subtract 3k from both sides.
2ky-3k=-2x
Subtract 2x from both sides. Anything subtracted from zero gives its negation.
\left(2y-3\right)k=-2x
Combine all terms containing k.
\frac{\left(2y-3\right)k}{2y-3}=-\frac{2x}{2y-3}
Divide both sides by 2y-3.
k=-\frac{2x}{2y-3}
Dividing by 2y-3 undoes the multiplication by 2y-3.
2x+2ky=3k
Multiply both sides of the equation by 2.
2x=3k-2ky
Subtract 2ky from both sides.
\frac{2x}{2}=\frac{k\left(3-2y\right)}{2}
Divide both sides by 2.
x=\frac{k\left(3-2y\right)}{2}
Dividing by 2 undoes the multiplication by 2.
x=-ky+\frac{3k}{2}
Divide k\left(3-2y\right) by 2.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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Linear equation
y = 3x + 4
Arithmetic
699 * 533
Matrix
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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}