Write a word phrase for each algebraic expression:

1. 12+a
2. r-31
3. 19t
4. b/3 (division)
5. c-3
6. 2+ x/8 (x/8 is a fraction)
7. y/11-6 (y/11 is a fraction)
8. 21d+13

1. Twelve increased by a number a 
2. Thirty one  less than a number r
3. The product of nineteen and a number t
4. b divided by a three
5. Three is less than a number c
6. Two is added by the number x which is divided by eight
7. Six is less than a number y which is divided by  eleven
8. Twenty one times a number d increased by thirteen