add 6x - 4y, 6y-5x + 6z, 2x- 2y-3z
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Answer:
3x+3z
Step-by-step explanation:
=> (6x-4y)+(6y-5x+6z)+(2x-2y-3z)
=> 6x-5x+2x-4y+6y-2y+6z-3z
=> 3x+3z
Hope it helps