47.5k views
5 votes
The 1st flat-bar, or cross, or other operator means:
-9-(-7)

User Todd Moses
by
6.9k points

1 Answer

1 vote

-9-(-7)

-9--7

-9+7

7-9

-2

---

hope it helps

User Lukasz Kruszyna
by
6.5k points