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loga(5-x)>=loga(4x-35) desigualdades

En la desigualdad la incógnita

Solución

Ha introducido [src]
log(5 - x)    log(4*x - 35)
---------- >= -------------
  log(a)          log(a)   
log(5x)log(a)log(4x35)log(a)\frac{\log{\left(5 - x \right)}}{\log{\left(a \right)}} \geq \frac{\log{\left(4 x - 35 \right)}}{\log{\left(a \right)}}
log(5 - x)/log(a) >= log(4*x - 35)/log(a)