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Art [367]
3 years ago
12

1: 9 - z +3 - 2z = 2: n +5n= 3: 12c - c= 4: 9 - z + 3 - 2z

Mathematics
1 answer:
Taya2010 [7]3 years ago
6 0

Answer:

1:12−3z

2:6n

3:11c

4: 12-3z

Step-by-step explanation:

1:

9 - z +3 - 2z

(9+3)+(−z−2z)

<u>12−3z </u>

2:

n +5n

<u>6n</u>

3:

12c - c

<u>11c</u>

4:

9 - z + 3 - 2z

(9+3)+(−z−2z)

<u>12-3z</u>

<u />

Hope this helped

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