Question 547065
a) We know that we cannot take ln of a negative number (or 0) which means:
{{{x+2>0}}}
{{{x>-2}}}

b) {{{ln(x+2)=3}}}
We need to get rid of the ln.  The opposite of ln is e.  This leaves:
{{{e^(ln(x+2))=e^3}}}
{{{x+2=e^3}}}
{{{x=e^3-2}}}