Question

if x= 2 k - 1 and Y= K is a solution of equation 3 x- 5 y - 7 =0, then find the value of k

Answer 1

3x-5y-7=0
3(2k-1)-5(k)-7=0
6k-3-5k=7
K=10

Answer 2

Given,
x=2k-1
and,
y=k
Now,
3x-5y-7=0
=>3(2k-1)-5(k)-7=0
=>6k-3-5k-7=0
=>k-10=0
=>k=10

Hence,the value of k= 10