It's A and C, I've taken a test that has this question and it was correct when I answered this, so A and C is your answer.
Step-by-step explanation:
-5 + 2 - 8 - (-14) =
(-3) - 8 + 14 =
-11 + 14 =
3 =
not sure but here you go^^
We can create a formula first.
X will be the unknown number
840= 357+x
-357 -357
483 = x
Hope this helps
X =
2. -7
7. 15
11. -2
12. 12
13. -1
14. 3
15. 64
16. 5
18. -14
