pls do it step by step pls
3. Evaluate the following:
(1) – 237 – (+1884)
(ii) -346 – (-1275)
(it) – 190 – (-

pls do it step by step pls
3. Evaluate the following:
(1) – 237 – (+1884)
(ii) -346 – (-1275)
(it) – 190 – (-3512)
(iv) – 2718 – (+6827).
4. (1) The sum of two integers is 17. If one of them is -35, find the other.
(ii) The sum of two integers is -80. If one of them is -90, then find the other.
5. What must be added to -23 to get -97
6. Find the predecessor of 0.
7. Find the successor and the predecessor of the following integers:
(1) -31
(in) – 735
(iii) – 240.​