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Can someone please help me with this

Can someone please help me with this-example-1
User Kiruthika
by
8.4k points

2 Answers

5 votes

Answer:

n=-3

Explanation:

so its actually 3n+9=0 so you can subtract 9 to get 3n=-9

-9 -9

then divide 3n and -9 by 3 to get n by itself so it looks like n=-3 hope this helps :)

User Rybosome
by
8.1k points
5 votes

Answer:

15

Explanation:

User BrianS
by
8.7k points