Solve :
`3x+2y=5`
`7x-y=6`,
using matrix inversion method.

Solve : 2x-y=7 3x-2y=11 by Matrix inversion method.

Solve x+y+z =9, 2x+5y+7z = 52 and 2x+y-z = 0 by using matrix inversion method.

Solve the following system of equations by using matrix inversion method. x + y = 1, y + z = (5)/(3) and z + x = (4)/(3)

Solve 3x-5y = 6 and x-2y = 5 by using the substitution method.

Solve the following system of equation, Using matrix inversion method. x+2y+z=5 2x+y-z=1 3x-2y+z=3