Question

answer fast you will got this answer​

Answer 1

Answer:

put x=2 and y=(-1) in x+3y-k=0

2+3*(-1)-k=0

2-3-k=0

-1-k=0

-k=1

k=(-1)...

hpoe this helps u....mark as brainliest

Answer 2

Answer:

$if \: x = 2 \\ y = - 1 \\ on \: putting \: the\: values \: of \: x \: and \: y \: in \: equation \: x + 3y - k = 0\\ \\ 2 + 3 \times ( - 1) - k = 0 \\ 2 - 3 - k = 0 \\ - 1 = k \\ so \: the \: value \: of \: k \: is \: - 1$

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