Question

If the equations k x – y =23 and x + y=35 represent two intersecting

lines at unique point, then the value of k is ...........​

Answer 1

Step-by-step explanation:

kx - y =23

x + y =35

kx - y - 23 =0

x + y - 35 =0

a¹ ≠ b¹ ≠ c¹

a² b² c²

k ≠ - 1 ≠ -23

1 1 - 35

k ≠ - 1

1 1

k ≠ - 1