Verified answer

1) Isolate the absolute value (stuff in lines)

- this is done by adding 2

2) Create 2 equations by flipping the > sign and + - sign

2x - 7 > 5 and 2x - 7 < - 5

3) solve and you get an answer!

the rest can be explained here

http://www.youtube.com/watch?v=hqg85P0ZMZ4