Equations `x + y = 2, 2x + 2y = 3` will have

The two equations 3x - 2y = 8 and 9x - 6y = 7 have

For what values of k, does the system of linear equations x + y + z = 2, 2x + y - z = 3, 3x + 2y + kz = 4 have a unique solution ?

If x and y satisfy the equations 2x-y = 5, 3x + 2y = 11 then x=….

The number of solutons for the system of equations 2x + y =4, 3x + 2y =2 and x + y =-2 is

The system of equation -2x + y + z = 1, x – 2y + z = –2, x + y + lambdaz = 4 will have no solution if

How many solutions does the pair of equations x + 2y-3=0 and 1/2 x + y - 3/2=0 have ?

The equations x + 2y + 3z = 1,2x + y + 3x = 2, 5x + 5y + 9 z = 5 have