Solve for x
x=36
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\frac{3\sqrt{x}}{3}=\frac{18}{3}
Divide both sides by 3.
\sqrt{x}=\frac{18}{3}
Dividing by 3 undoes the multiplication by 3.
\sqrt{x}=6
Divide 18 by 3.
x=36
Square both sides of the equation.
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