Solve the system of equation : `11x+15y+23=0` , `7x-2y-20=0`

Solve the following system of equations: 11x+15y+23=0,quad 7x-2y-20=0

Solve the following system of equations: 11 x+15 y+23=0,\ \ \ 7x-2y-20=0

Solve the given system of equation:- 9x-2y+7=0 .

Solve the system of equations x-y+z=0,x+2y-z=0,2x+y+3z=0

Solve the following systems of equations: x-2y=0, 3x+4y=20.

Solve the following system of by the method of eliminations:(i)11x+15y+23=0 ,7x-2y-20=0

If A=[[1,-2,1],[0,-1,1],[2,0,-3]] then find A^(-1) and hence solve the system of equations x-2y + z = 0 , -y + z = -2 and 2x-3z= 10.

Solve the system of homogenous equations x+y-z=0,x-2y+z=0,3x+6y-5z=0 .