Question

http://prntscr.com/dhzrt7 Is this correct?

Answer 1

can you show some working @Gokuporter?

Answer 2

'cause that's not what i get.

Answer 3

@UnkleRhaukus Nevermind I thought the 2x on the right side was positive but it's negative So the right answer would be \[x \ge 9\]

Answer 4

to check, just plug x=9 into the original equation and see if you get an equality

Answer 5

Yeah it's right! :)

Answer 6

yep!

Answer 7

Thanks for the help