Show that the following systems of linear equations has infinite number of solutions and solve `x+2y=5,\ \ 3x+6y=15`

Show that the following systems of linear equations has infinite number of solutions and solve 2x+y-2z=4,\ \ x-2y+z=-2,\ \ 5x-5y+z=-2

Show that the following systems of linear equations has infinite number of solutions and solve 2x+y-2z=4,\ \ x-2y+z=-2,\ \ 5x-5y+z=-2

Show that the following systems of linear equations has infinite number of solutions and solve x-y+3z=6,\ \ x+3y-3z=-4,\ \ 5x+3y+3z=10

Show that the following systems of linear equations has infinite number of solutions and solve x-y+3z=6,\ \ x+3y-3z=-4,\ \ 5x+3y+3z=10

Show that the following systems of linear equations has infinite number of solutions and solve x-y+z=3,\ \ \ 2x+y-z=2,\ \ -x-2y+2z=1

Show that the following systems of linear equations has infinite number of solutions x-y+z=3,\ \ \ 2x+y-z=2,\ \ -x-2y+2z=1

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

Show that the following system of equations has infinite number of solutions : x+2y+3z=1,3x+4y+5z=2,5x+6y+7z=3

Determine the values of m and n so that the following system of linear equation has infinite number of solution.(2m-1)x+3y-5=0,3x+(n-1)y-2=0

Use Cramer's rule to show that the following system of equations has infinite number of solutions 2x-3y-z=0 , x+3y-2z=0 , x-3y=0