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x\sqrt{2}-2\sqrt{2}-x=2
Subtract x from both sides.
x\sqrt{2}-x=2+2\sqrt{2}
Add 2\sqrt{2} to both sides.
\left(\sqrt{2}-1\right)x=2+2\sqrt{2}
Combine all terms containing x.
\left(\sqrt{2}-1\right)x=2\sqrt{2}+2
The equation is in standard form.
\frac{\left(\sqrt{2}-1\right)x}{\sqrt{2}-1}=\frac{2\sqrt{2}+2}{\sqrt{2}-1}
Divide both sides by \sqrt{2}-1.
x=\frac{2\sqrt{2}+2}{\sqrt{2}-1}
Dividing by \sqrt{2}-1 undoes the multiplication by \sqrt{2}-1.
x=4\sqrt{2}+6
Divide 2+2\sqrt{2} by \sqrt{2}-1.