Write the equation for:

1. The sum of 5 times a number and -11 is -16.
2. 12 times the sum of a number and -8 is 48.
3. The sum of 5 times a number and 2 is -13.
4. The sum of 7 times a number and 11 is 81.
5. 3 times the sum of a number and -2 is -15.
6. 5 times the sum of a number and 2 is 35.

Please answer asap.