Question 48004
{{{ sqrt(3x-3) - 9 = 0 }}}
{{{ sqrt(3x-3) = 9 }}}

The opposite of a square root is to square. So square both sides and the square root is cancelled out on the lefthand side:
{{{ 3x-3 = 9^2 }}}
{{{ 3x-3 = 81 }}}
{{{ 3x = 84 }}}
x = 84/3
x = 28


jon