Translate each sentence into an equation. Then find each number.

1. The quotient of a number and -9 increased by 10 is 11.
   
2. Five less than the product of -3 and a number is -2.
   
3. Fifteen more than twice a number is -23.
   
4. The difference between 5 times a number and 4 is 16.
   
5. Nine more than -8 times a number is -7.
   
6. The difference between 12 and ten times a number is -28.
   
7. Seven more than three times a number 52.
   
8. Eleven less than five times a number is 19.
   
9. Thirteen more than four times a number is -91.
   
10. Seven less than twice a number is 43.