-2 ( 6 + s ) >_ -15 - 2s
We distribute the left side of the inequality.
-12 - 2s >_ -15 - 2s
Add 2s on both sides.
They cancel out, and we’re left with:
-12 >_ -15
This is surprisingly a true statement, so s = 0 in order for us to end up with this again.
Hopefully it’s right. Good luck!