If `x=-1,\ y=2` is a solution of the equation `3x+4y=k ,` find the value of `k`

If x = 2k-1 and y=k is a solution the equation 3x-5y-7=0 ; find the value of k.

If x=k^2 and y=k is a solution of the equation x-5y+6=0 then find the values of k

If x=(-1)/2 , is a solution of the quadratic equation 3x^2+2k x-3=0 , find the value of k .

If (2,0) is a solution of the linear equation 2x+3y=k, then the value of k is

If the point (2,\ -2) lies on the graph of the linear equation 5x+k y=4 , find the value of k

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

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

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

Find the point of intersection of the lines 4x + 3y = 1 and 3x - y + 9 = 0 . If this point lies on the line (2k - 1) x - 2y = 4 , find the value of k. The above question can also be stated as : If the lines 4x + 3y = 1, 3x – y + 9 = 0 and (2k - 1) x - 2y = 4 are concurrent (pass through the same point), find the value of k.

x+7y=-10 3x-4y=k In the system of equation above,k is a constant. IF (a,b) is the solution to the system, what is the value of a, in terms of k?