12 - 7 = 5
5 + (-3) = 2
127
133
No: 389 divided by 127 equals 3 with a remainder of 8 or 3.063
381 feet their are 3 feet to a yard. 3 times 127 equals 381.
31.75
No.
42
67 plus 3 equals 70.
3 plus 1 plus 4 equals 8
Yes, -8 plus plus 3 equals -5. The "plus plus" is equivalent to a positive sign, so -8 plus (+3) equals -5.
12
89