Solve for m
m=-\frac{x^{2}-1}{1-2x}
x\neq \frac{1}{2}
Solve for x
x=\sqrt{m^{2}-m+1}+m
x=-\sqrt{m^{2}-m+1}+m
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-2mx+m-1=-x^{2}
Subtract x^{2} from both sides. Anything subtracted from zero gives its negation.
-2mx+m=-x^{2}+1
Add 1 to both sides.
\left(-2x+1\right)m=-x^{2}+1
Combine all terms containing m.
\left(1-2x\right)m=1-x^{2}
The equation is in standard form.
\frac{\left(1-2x\right)m}{1-2x}=\frac{1-x^{2}}{1-2x}
Divide both sides by -2x+1.
m=\frac{1-x^{2}}{1-2x}
Dividing by -2x+1 undoes the multiplication by -2x+1.
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