Find the value of k, if x = 1, y = 2 is a solution of the equation 3x + 2y = k.
If x = 1, y = 2 is a solution of the equation 3x + 2y = k, the value of k is ___.
Find the value of k for which the following pair of equation has no solution. x+2y=3;(k−1)x+(k+1)yk+2