Solve for x
x = \frac{25}{2} = 12\frac{1}{2} = 12.5
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\sqrt{2x}+4-4=9-4
Subtract 4 from both sides of the equation.
\sqrt{2x}=9-4
Subtracting 4 from itself leaves 0.
\sqrt{2x}=5
Subtract 4 from 9.
2x=25
Square both sides of the equation.
\frac{2x}{2}=\frac{25}{2}
Divide both sides by 2.
x=\frac{25}{2}
Dividing by 2 undoes the multiplication by 2.
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