InnocentSoul InnocentSoul

21-09-2018
Mathematics

contestada

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)

Respuesta :

tasnim07 tasnim07

21-09-2018

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

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

Answer Link

abg101603 abg101603

25-11-2019

Answer:

The awnser is D

Answer Link

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