SOLUTION: I would really appreciate some help on a few questions please.These are on the cramers rule 3 x 3: 1)3x + y + 2z = 3 x - 5y - z = 0 2x + 3y + 2z = 0 2)x - 3y + z = 7

Algebra ->  Algebra  -> Matrices-and-determiminant -> SOLUTION: I would really appreciate some help on a few questions please.These are on the cramers rule 3 x 3: 1)3x + y + 2z = 3 x - 5y - z = 0 2x + 3y + 2z = 0 2)x - 3y + z = 7       Log On

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 Algebra: Matrices, determinant, Cramer rule Solvers Lessons Answers archive Quiz In Depth

 Question 145141: I would really appreciate some help on a few questions please.These are on the cramers rule 3 x 3: 1)3x + y + 2z = 3 x - 5y - z = 0 2x + 3y + 2z = 0 2)x - 3y + z = 7 x + y - 3z = -9 x + y + z = 3 Thank you for your time and patients LJAnswer by stanbon(57967)   (Show Source): You can put this solution on YOUR website!You have posted a number of problems. Are you looking for the answers or the process? Illustrating the manipulation of determinants is a messy business. Maybe using Google you can find examples of the process for solving systems of equations. Cheers, Stan H.