All matrices and associated work must be shown in an organized manner. Use Gauss-Jordan elimination (RREF) for credit. Use pencil. Show all work and use proper notation at all times. Be sure to give the 'complete solution' in the form of: *an ordered triple, if one solution *an ordered triple with respect to 'z', if infinite solutions *or identify as 'no solution', as appropriate. Solve the system of equations using matrices. x + 3y - 2z = 4 2x + 6y - 4z = 1 2x + y - 3z = -7

Don't hand writing solution.