For \(\sqrt{2x}=\sqrt{4x+1}\):
Square each side to remove the meddlesome square root:
2x = 4x + 1
Isolate x (subtract 4x from each side, since 4 is the coefficient of x on the side with the extra number):
-2x = 1
Divide each side by -2 (the coefficient of x):
\(x = -\frac{1}{2}\)