17
1 + 6 + 9 - 8 + 4 - 5 + 2 + 3 = -6
5m + 7 - 2m - 1 = 3m + 6
Zero
6-3+8/2=5.5
=1
2 times 2 plus 2 times 2 plus 2 minus 2 times 2 is equal to 6.
Minus 8 plus 6 equals -2.
6-2 = 4 8+7 ≠3 9+5 = 14
+1.
4
if a positive number minus a negative number, the minus turns to a plus sign. so its positive Ex. 2- -4= 2+4=6