Question 966223
log 2x minus log 9 = 1 
There's no bases. 
<pre>
log 2x - log 9 = 1
{{{log (2x/9) = 1}}} ------ Logarithmic form
{{{2x/9 = 10^1}}} ------- Logarithmic form
{{{2x/9 = 10}}}
2x = 90 -------- Cross-multiplying
{{{x = 90/2}}}, or {{{highlight_green(45)}}}