Find the number that ystands for
in each equation.- y 3 63 7 8. 9 7 y 8 9. 2 10 5 y
- 9 y 3 6 11. 42 7 16 y 12. 10 7 y 3
- 3 y 18 3 14. y 10 7 2 15. 25 15 y 4
- 8 y 26 26 17. 9 8 y 72 18. 100 y 9 12
- 50 3 200 y 20. y 2 10 25 21. 12 12 130 y
- y 99 59 40 23. 43 y 0 34 24. 125 2 400 y
- 64 y 22 100 20 8 26. 8 8 y 2 250 12
- 500 50 95 y 2 450
Find the number that nstands for
in each equation.- nn 6 29. 7 n 7 30. nn 25
31. 4 nn 32. n 5 n
33. n n 30 34. 64 nn
Find the numbers that mand nstand for
in each pair of equations.- m n 9 36. m n 24 37. m n 8
m m 8 n n 9 n m 7
Think
What number
added to itself
equals 6?8204-6_444-445 12/15/05 5:05 AM Page 445