Question

log(-4x+8)=log 2(x-3)

Answer 1

log (-4x+8)=log 2(x-3)
log x (-4x+8)=log x (2x-3)
log (x)= log(-4x+8)
             --------------
                log(x)
  --------------------------------
            log(2x-3)
         -----------------
            log(x)

log(8-4x)=log(2x-3)
8-4x=2x-3
11=6x
x=11/6

Espero ter ajudado!!!!