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logarithm

Posted February 5th, 2008 by alpha
in

Find x if

$$log_x25-log_x 5+log_x(1/125)=2 $$
‹ Express it as a single logarithm logarithm ›

Comments

answer

On February 5th, 2008 Structure says:
$$log_x25-log_x 5+log_x(1/125)=2 $$
$$2\log_x 5-log_x 5-3log_x 5=2$$
$$-2\log_x 5=2$$
$$log_x 5=-1$$
$$x^{-1}=5$$
$$x=\frac{1}{5}$$

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