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Solve for x
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Solve for x (complex solution)
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\sqrt{21x-32}=y
Swap sides so that all variable terms are on the left hand side.
21x-32=y^{2}
Square both sides of the equation.
21x-32-\left(-32\right)=y^{2}-\left(-32\right)
Add 32 to both sides of the equation.
21x=y^{2}-\left(-32\right)
Subtracting -32 from itself leaves 0.
21x=y^{2}+32
Subtract -32 from y^{2}.
\frac{21x}{21}=\frac{y^{2}+32}{21}
Divide both sides by 21.
x=\frac{y^{2}+32}{21}
Dividing by 21 undoes the multiplication by 21.