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Are the two equations equivalent?

$\displaystyle x^2 = 3 x$

$\displaystyle x = 3$

If they are equivalent, what operation transforms the first into the second?

A. Take the square root of both sides
B. Subtract $x$ from both sides
C. Divide both sides by $x$
D. Divide both sides by $3$
E. Multiply both sides by $3$
F. The equations are not equivalent