Question

If x = 2 k - 2 and Y = 2 k + 1 is solution of equations 2x - y- 4 then find the value of k

Answer 1

For x=2k-2,y=2k+1 to be a solution of given equation it should result in zero by putting these values
2(2k-2)-(2k+1)-4=0
4k-4-2k-1-4=0
2k=9
k=9/2=4.5