Question

I need help on this question. I'll post it in a comment.

Answer 1

\[3 \sqrt{x + 4} - 2 = 13\]

Answer 2

add 2
divide by 3
square
subtract 4

Answer 3

so 21?

Answer 4

\[3\sqrt{x+4}=15\]
\[\sqrt{x+4}=5\]
\[x+4=25\]
\[x=21\] just checking, you are right!

Answer 5

Thank you so much for your help!(:

Answer 6

yw