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Bas_tet [7]
3 years ago
14

Bob gets 3n+2=20 as the final row of his magic number puzzle table. what was his starting number?

Mathematics
1 answer:
skelet666 [1.2K]3 years ago
6 0
3n+2=20
     -2   -2
3n=18
divide by 3 
n=6
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