Give the integer describe by each of the following

1. IF-22 is subtracted from the difference of -21 and -7;
2. If the sum of -21 and 16 is subtracted from the sum of -5 and -9;
3. If the difference of -18 and -12 is subtracted from the difference of 8 and -13;
4. If the sum of 13 and -6 is subtracted from the difference of -11 and -8;
5. If the difference of -17 and -12 is subtracted from the sum of -9 and -13.

pa help guys please thank you very much ❤️​