Combine Like Terms 1) 2X5 + 5X3 – 4X5 – 5X3 2)2a - 5b – 8c – 2a -5b + c
3)4x -8y + 4z – 6x – 2y – z
4)6x9 – 3 x6 – 8y10 + y – 6x9 -3x6 + y10 -2y
5)-5a7 – 2a – 7b8 + b – 2a7 – 5a +7b8 – 4b
6)– 2a -7b – 4c – d -2a +7b +c – d
7)-9a6 + a5 – b7 – 8b4 + a6 – 3a5 – b7 + b4