Solve for d
d=\frac{y+6x-x^{2}}{5}
Solve for x (complex solution)
x=\sqrt{y-5d+9}+3
x=-\sqrt{y-5d+9}+3
Solve for x
x=\sqrt{y-5d+9}+3
x=-\sqrt{y-5d+9}+3\text{, }y\geq -\left(9-5d\right)
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x^{2}-6x+5d=y
Swap sides so that all variable terms are on the left hand side.
-6x+5d=y-x^{2}
Subtract x^{2} from both sides.
5d=y-x^{2}+6x
Add 6x to both sides.
5d=y+6x-x^{2}
The equation is in standard form.
\frac{5d}{5}=\frac{y+6x-x^{2}}{5}
Divide both sides by 5.
d=\frac{y+6x-x^{2}}{5}
Dividing by 5 undoes the multiplication by 5.
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}