Question

ii] (K-2)x+(k-1)y=17; (k-1)x+(k-
2)y=18; x+y=5 *
O 7
O 5
O 10
O 50​

Answer 1

=

k+2

3

=

3k

7

⇒

k−1

2

=

k+2

3

⇒2k+4=3k−3

⇒k=7

Hence, the value of k is 7.