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Solve the system. -a+4b+2c=-8 3a+b-4c=9 b=-1 A. (0,1,1) B. (-1,-1,2) C. (1,1,-2) D. (2,-1,-1)
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Solve the system. -a+4b+2c=-8 3a+b-4c=9 b=-1

A. (0,1,1)
B. (-1,-1,2)
C. (1,1,-2)
D. (2,-1,-1)

User Joe Skeen
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2 Answers

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-a+4b+2c=8
-2+4b+2c=8

3a+b-4c=9 b=-1
3a-1-4c=9
User Bodine
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8.0k points
0 votes

Answer:

The awnser is D

User Franceska
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User Rjonnal
asked May 5, 2019 97.2k views
Solve the system. -a+4b+2c=-8 3a+b-4c=9 b=-1 A. (0,1,1) B. (-1,-1,2) C. (1,1,-2) D. (2,-1,-1)
Rjonnal asked May 5, 2019
by Rjonnal
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