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If x =a, y=b, z=c is a solution of the s...

If `x =a, y=b, z=c` is a solution of the system of linear equations
`x + 8y + 7z =0, 9 x + 2y + 3z =0, x + y+z=0` such that point `(a,b,c )` lies on the plane `x + 2y + z=6,` then `2a+ b+c` equals

A

1

B

2

C

`-1`

D

0

Text Solution

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The correct Answer is:
A
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