Respuesta :

Answer: -9k-7b+6

Step-by-step explanation: combine lile terms

Answer:

-7b - 9k + 6

Step-by-step explanation:

1. -4b + (-9k) -6 - 3b + 12  

2. (-4b-3b) + (-9k) + (-6+12)

3.  -7b + (-9k) + 6

4.  -7b - 9k + 6

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