Solve for x
x=4
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3\sqrt{x}+6=12
Swap sides so that all variable terms are on the left hand side.
3\sqrt{x}=12-6
Subtract 6 from both sides.
3\sqrt{x}=6
Subtract 6 from 12 to get 6.
\sqrt{x}=\frac{6}{3}
Divide both sides by 3.
\sqrt{x}=2
Divide 6 by 3 to get 2.
x=4
Square both sides of the equation.
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