Find the value of k if x = 2, y = 1 is a solution of the equation 2x + 3y = k.

Find the value of k so that x=-1, y=1 and a solution of 9kx+12ky=63

Find the value of k if: (x-k) is a factor of x^3-k^2x+x+2

Find the value of k if (x-2) is a factor of 2x^3-6x^2+5x+k .

Find the value of k for which the system of linear equations : (k - 1) x + (k + 2) y = k , 2x + 5y = 3 will have infinite number of solutions.

Find the value of k for which the following system of linear equations : 2x -ky = 1, 3x - 5y = 7 will have :- a unique solution .

Find two solutions for the following equation : 2x + 3y = 12.

Find the value of k, if x - 1 is a factor of 4x^3 + 3x^2 -4x + k .

If x=2,y=1 is a solution 3x+2y=k, find the value of k.

Find the value of k if x -1 is a factor of k^2x^3 - 4kx + 4k - 1 .