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log3(2x+5)-log3(3x+2)
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Solución

log(2*x + 5)   log(3*x + 2)   log(x + 5)    
------------ - ------------ < ---------- - 2
   log(3)         log(3)        log(3)      
$$\frac{\log{\left(2 x + 5 \right)}}{\log{\left(3 \right)}} - \frac{\log{\left(3 x + 2 \right)}}{\log{\left(3 \right)}} < \frac{\log{\left(x + 5 \right)}}{\log{\left(3 \right)}} - 2$$
log(2*x + 5)/log(3) - log(3*x + 2)/log(3) < log(x + 5)/log(3) - 2