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sorachikine
1 year ago

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**Answer**: 12x−9y−12z Step-by-step

**explanation**: **1****.** 16x−12y−3z−4x−(−3y)−9z **2****.** Combine 16x and −4x to get: (12x−12y−3z+3y−9z)**3****.** Combine −12y and 3y to get: (12x−9y−3z−9z) **4****.** Combine −3z and −9z to get: (12x−9y−12z)

Answer:

12x−9y−12z

Step-by-step explanation:

1. 16x−12y−3z−4x−(−3y)−9z

2. Combine 16x and −4x to get: (12x−12y−3z+3y−9z)

3. Combine −12y and 3y to get: (12x−9y−3z−9z)

4. Combine −3z and −9z to get: (12x−9y−12z)