Answer:
x = 68
Step-by-step explanation:
given the equation
24 = 3 [tex]\sqrt{x-4}[/tex] ( divide both sides by 3 )
8 = [tex]\sqrt{x-4}[/tex] ( square both sides to clear the radical )
8² = ([tex]\sqrt{x-4}[/tex] )² , that is
64 = x - 4 ( add 4 to both sides )
68 = x