Question

If x=2k-1 and y=k is a solution then find the solution of the equation 3x-5y-9=0 find the value ok k

Answer 1

3 ×( 2k -1)- 5(k)=0
6k - 3 - 5k = 0
6k - 5k -3 =0
1 k - 3 = 0
1k = 3
k = 3

Answer 2

3 ×( 2k -1)- 5(k)=0
6k - 3 - 5k = 0
6k - 5k -3 =0 
1 k - 3 = 0
1k = 3 
k = 3