Solve for x
x=\frac{\sqrt{2}}{2}\approx 0.707106781
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2x=2\sqrt{2}-\sqrt{2}
Subtract \sqrt{2} from both sides.
2x=\sqrt{2}
Combine 2\sqrt{2} and -\sqrt{2} to get \sqrt{2}.
\frac{2x}{2}=\frac{\sqrt{2}}{2}
Divide both sides by 2.
x=\frac{\sqrt{2}}{2}
Dividing by 2 undoes the multiplication by 2.
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