The equation 2x+5y=7 has a unique solution, if x and y are

The equation 2x + 5y = 7 has a unique solution, if x, y are :

The linear equation 7x+9y=8 has a unique solutions

The linear equation 2x-5y=7 has

For what value of k, the pair of equation 2x+ky=1,3x-5y=7 has a unique solution?

Check whether the following pair of linear equations has a unique solution. If yes, find the solution : 8x+y=23, 5x-y=3

Check each of the given sustems of equations to see if has a unique solution, infinitely many solutions or no solution. Solve them graphically. 2x+3y=1, 3x-y=7.

Find whether the following pair of linear equations has a unique solution. If yes, find the solution : 7x-4y=49, 5x-6y=57

Find whether the following pair of linear equations has a unique solution. If yes, find the solution. 7x-4y =49 and 5x-6y=57

Find the values of p in (i) to (iv) and p and q in (v) for the following pair of equations (i) 3x - y - 5 = 0 and 6x - 2y - p = 0 , if the lines represented by these equations are parallel. (ii) -x + py = 1 and px - y = 1 , if the pair of equations has no solution. (iii) -3x + 5y = 7 and 2px - 3y = 1 , if the lines represented by these equations are intersecting at a unique point. (iv) 2x + 3y - 5 = 0 and px - 6y - 8 = 0 , if the pair of equations has a unique solution. (v) 2x + 3y = 7 and 2px + py = 28 - qy , if the pair of equations has infinitely many solutions.

The linear equation 2x - 5y = 7 has