Answer:
it is b
Step-by-step explanation:
B. [tex]x=24[/tex]
We can start by isolating the square root by adding one to both sides:
[tex]-1+\sqrt{3x-8} =7\\\sqrt{3x-8}=8[/tex]
Now, we can square both sides and solve:
[tex]3x-8=64\\3x=72\\x=24[/tex]
