Question

write value of each of the following 3x-y​

Answer 1

Step-by-step explanation:

3x+y=1

(2k−1)x+(k−1)y=(2k+1)

For no solution

a

2

a

1

=

b

2

b

1



=

c

2

c

1

Then

2k−1

3

=

k−1

1



=

2k+1

1

⇒3k−3=2k−1⇒k=2