Answer:
Step-by-step explanation:
Not Always
example:
Yes:
12 - 4 + 20 - 16 - 32
32 - 48 = -20
No:
23 - 8 + 21 - 7 + 2 - 6 = 25
17/7 or 2 3/7
3 is the same as 21/7. Subtract 21/7-4/7 to get 17/7.
Hope it helps!