Algebra - HW answers

Variables on Both Sides

1. r = 5
2. r = 8
3. x = -6
4. no solution
5. identiry
6. x = -3
7. k = 0
8. no solution
9. p = 3
10. m = -1
11. identity
12. x = 2
13. m = 1
14. n = 6/5
15. x = 0
16. identity
25. 6 races
26. 1,250 texts