ecuaciones logaríticas
logx3/7=-1
x=
logx4=-2
X=±
logx16=3
log163
log316
3√16
16√3
logx(x+2)=2
x=
logx(x2 +x -1) =-1
x=1
x=-1
no hay solución
x=1 y x=-1 doble
log3x=log37+log32
x=
log2x=-2+log25
x=
log5x=log56-1
x=
log7x=2-(1/2) log7196
x=
ln(x+1)+ln(x-3)-ln3=ln(-x-1)-ln2
x=-1
x=6/4   
x=6/4  ó  x=-1
no hay solución
2 log (x+1)- log x = log (x+3)
x=
log2(x+3) - log2(x-1) = log2 (x-3)
x=
FIN
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