Question 639147
{{{sqrt(3x) - 4 = 2}}} add 4 to both sides of equation
{{{sqrt(3x)  = 6}}}  square both sides
{{{3x=36}}} divide by 3
{{{x=12}}}
Check the answer
{{{sqrt(3*12)-4=2}}}
{{{sqrt(36)-4=2}}}
{{{6-4=2}}}
{{{2=2}}} correct