Question 105141
{{{sqrt(3x+6)-3=0}}}
{{{sqrt(3x+6)-3+3=0+3}}}Additive inverse of (-3).
{{{sqrt(3x+6)=3}}}
{{{(sqrt(3x+6))^2=3^2}}}Square both sides.
{{{3x+6=9}}}
{{{3x+6-6=9-6}}}Additive inverse of 6.
{{{3x=3}}}Additive inverse of 6.
{{{3x/3=3/3}}}Multiplicative inverse of 3.
{{{x=1}}}
Check your answer.
{{{sqrt(3x+6)-3=0}}}
{{{sqrt(3(1)+6)-3=0}}}
{{{sqrt(9)-3=0}}}
{{{3-3=0}}}
{{{0=0}}}
Good answer. 
x=1.