Question

if x=5 and y=1 is the solution of the equation Kx+y=11 and 3x+ky=17 then the value of k is_______​

Answer 1

Step-by-step explanation:

k5+1=11..........(I)

3(5)+k(1)=17

15+k=17..............(ii)

eq.(ii)-(i)

15+k-5k-1=17-11

14-4k=6

10k=6

k=6/10

k=3/5.

Ans........