Obtain the condition for the following system of linear equations to have a unique solution: `a x+b y=c ,\ \ \ \ l x+m y=n`

Obtain the condition for the following system of linear equations to have a unique solution: ax+by=c,quad lx+my=n

Obtain the condition for the following system of linear equations to has a unique solution px + qy = r and lx + my = n .

Obtain the condition for the following system of linear equations to has a unique solution px + qy = r and lx + my = n .

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

Show that the following system of linear equations has no solution: x+2y =12,x>=0,y>=1

Determine, by drawing graphs, whether the following system of linear equations has a unique solution or not: 2x-3y=6,\ \ \ x+y=1

Determine, by drawing graphs, whether the following system of linear equations has a unique solution or not: 2y=4x-6,\ \ \ 2x=y+3

For what value of m the following system of equations will have a unique solution ? 3x+my=10" and "9x+12y=30

Determine the values of lambda for which the following system of equations fail to have a unique solution: lambda x+3y-z=1,x+2y+z=2,-lambda x+y+2z=-1

Determine,by drawing graphs,whether the following system of linear equations has a unique solution or not: 2x-3y=6,quad x+y=1