-4 + -3 = -7
7 minus the product of v and 3
3 4/7 minus 1/7 is 3 3/7
-3 - (-8) - (-2) = -3 + 8 +2 = +7
10 minus -7 is the same as 10+7. So, 10--7=17.
51 minus 27 3/7 = 23 4/7
43 minus 27 3/7 = 15 4/7
-3 3/7
1 - 3 + 5 - 7 = -4
3/4 minus 7/8 is -1/8.
-7 minus -4 is -3
-3 - 4 = -7 (minus seven)