Question: Directions: Find each sum or difference. Answers must be in standard form. 11. (-4x+3)+(3x-3x-5) 13. (2m-3+7m)-(3-9m-2m) 15. (3a-a+3)+(4a - 5) I 12. (82-12r+4)-(32 +

Directions: Find each sum or difference. Answers must be in standard form.

Directions: Find each sum or difference. Answers must be in standard form. 11. (-4x+3)+(3x-3x-5) 13. (2m-3+7m)-(3-9m-2m) 15. (3a-a+3)+(4a - 5) I 12. (82-12r+4)-(32 + 5r-1) 14. (7p+3p) (5p + 4) 16. (5w3w+2w + 4) + (3w + 1-4w) 17. (2r2+312-)-(x-12-22) + (4x - 3y) 18. (12+ 8k + 3k - 4k) + (5k + 15 - k + 2k) 19. Find the sum of (2x-6x-2) and (x + 4x). 20. Subtract (-a2-5ab + 362) from (3a2-2ab+36).

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