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Vadim26 [7]
3 years ago
13

Solve the system. -a+4b+2c=-8 3a+b-4c=9 b=-1

Mathematics
2 answers:
o-na [289]3 years ago
5 0

Answer:

The awnser is D

Travka [436]3 years ago
4 0
-a+4b+2c=8
-2+4b+2c=8

3a+b-4c=9 b=-1
3a-1-4c=9
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