Cramer's rule for system of n linear equations

Cramer's rule for system of two linear equations

Cramer's rule for system of three linear equations

Solve by Cramer's rule the following system of equations: 3x-5y = 21 and 5x + y = 7

Examine whether the following systems of linear equations are consistent or not. If consistent, solve the system by Cramer's rule or by using some other method : 3x+4y=5, x-y=-3

Examine whether the following systems of linear equations are consistent or not. If consistent, solve the system by Cramer's rule or by using some other method : 6x+4y=2, 9x+6y=3

Examine whether the following systems of linear equations are consistent or not. If consistent, solve the system by Cramer's rule or by using some other method : x+2y=3, 4x+8y=9

Examine whether the following systems of linear equations are consistent or not. If consistent, solve the system by Cramer's rule or by using some other method : 2x-y=0, 4x-2y=0

Examine whether the following systems of linear equations are consistent or not. If consistent, solve the system by Cramer's rule or by using some other method : 4x-5y=0, 2x+3y=0

Examine whether the following system of linear equations is consistent or not. If consistent solve the system by using Cramer's rule : 4x+y=2, 12x+3y=6

Examine whether the following system of linear equations is consistent or not. If consistent solve the system by using Cramer's rule : 6x-2y+3=0,-9x+3y=0