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nydimaria [60]
3 years ago
7

In which ones do I use elimination or substitution?

Mathematics
2 answers:
xz_007 [3.2K]3 years ago
6 0
For the first one you would use substitution, and the second and third one you would use elimination. 

HOPE THIS HELPS! ^_^
Rom4ik [11]3 years ago
5 0
1. substitution and 2 and 3 are elimination  
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