Solve for y
y=\frac{4}{z+6}
z\neq -6
Solve for z
z=-6+\frac{4}{y}
y\neq 0
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yz+4-2yz=6y
Subtract 2yz from both sides.
-yz+4=6y
Combine yz and -2yz to get -yz.
-yz+4-6y=0
Subtract 6y from both sides.
-yz-6y=-4
Subtract 4 from both sides. Anything subtracted from zero gives its negation.
\left(-z-6\right)y=-4
Combine all terms containing y.
\frac{\left(-z-6\right)y}{-z-6}=-\frac{4}{-z-6}
Divide both sides by -z-6.
y=-\frac{4}{-z-6}
Dividing by -z-6 undoes the multiplication by -z-6.
y=\frac{4}{z+6}
Divide -4 by -z-6.
yz+4-2yz=6y
Subtract 2yz from both sides.
-yz+4=6y
Combine yz and -2yz to get -yz.
-yz=6y-4
Subtract 4 from both sides.
\left(-y\right)z=6y-4
The equation is in standard form.
\frac{\left(-y\right)z}{-y}=\frac{6y-4}{-y}
Divide both sides by -y.
z=\frac{6y-4}{-y}
Dividing by -y undoes the multiplication by -y.
z=-6+\frac{4}{y}
Divide -4+6y by -y.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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Linear equation
y = 3x + 4
Arithmetic
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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}