4/5
1 + 4 = 5
(-4) + (5) = 1 [positive one]
-4 minus 8 plus 5 is equal to -7
The sum of 5 and -9 is -4.
It is -9x plus 5.
25
56
The sum of 1/5 and -4 is -3 4/5
Yes - due to commutability, you can rearrange the numbers in any addition sum and the answer will still be the same.
The sum of 75 plus 5 is 80.
The sum of 3 plus 4 is 7.