We can separate this into 4 inequalities
First
2 < y - 7 and y - 7 < 9
2 + 7 < y y < 9 + 7
y > 9 y < 16
And
2 < 7 - y and 7 - y < 9
y < 7 - 2 7 - 9 < y
y < 5 y > -2
The solution intervals are
-2 < y < 5 and 9< y < 16
Hey there, Guest!
So:
2+7
Therefore 9 is your answer.
Hope this helped! :)
( ゚д゚)つ Bye