Question 47972
SQRT(3X-3)-9=0 OR SQRT(3X-3)=9 OR 3X-3=81 OR 3X=84 OR X=84/3 OR X=28 
PROOF SQRT(3*28-3)-9=0 OR SQRT(84-3)-9=0 OR SQRT81-9=0 OR 9-9=0 OR 0=0