Across
- 2. 7p+8d+3p-5d
- 6. 1c-6c-9+10-5y
- 7. 3b-5b+8a-1
- 11. 2x^2+15y-7+12y-15x^2+3
- 12. 4f+4+3d-6-3f
- 13. 3x+9y+2x+4
- 17. 2r-5+9-5+9-5r+6y
- 19. 35x+12-30x+7
- 20. A letter that takes the place of an unknown number
- 21. Terms with the same variable and exponent
- 22. A number that stands alone
Down
- 1. 8d+5f-2d-3-7f
- 2. 5c+8c-4+7
- 3. 9y+3-4x-2y-3x-5
- 4. 2x+14+12x-11
- 5. 2c+5+8c-10+10+4
- 8. 7x-1y+4x-7+10
- 9. 9x+2-81y-3x+8y-10
- 10. 2x+7-1x+5x-1
- 14. 6k+9-10k+10
- 15. 6m+9-4m-13
- 16. In front of a variable
- 18. Number phase that contains no equal sign
- 19. 8+4b-3+2b