Solve for x
x=\frac{\sqrt{10}-2}{2}\approx 0.58113883
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-2x=2-\sqrt{10}
Subtract \sqrt{10} from both sides.
\frac{-2x}{-2}=\frac{2-\sqrt{10}}{-2}
Divide both sides by -2.
x=\frac{2-\sqrt{10}}{-2}
Dividing by -2 undoes the multiplication by -2.
x=\frac{\sqrt{10}}{2}-1
Divide 2-\sqrt{10} by -2.
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