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Kruka [31]
3 years ago
15

4n - 9 = -9 how do u solve?

Mathematics
2 answers:
Ede4ka [16]3 years ago
8 0
Add 9 to both sides to get 4n=0 so n=0

AVprozaik [17]3 years ago
7 0
N=0
because u have 
4n-9=9
it gives u 
4*n-9(-9)=0 
so it n=0
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