SOLUTION: - x1 + 2 x2 + 3 x3 + x4 = 6 2 x1 + 3 x2 + x3 + 4 x4 = 8 2 x1 + 3 x2 + x3 + 3 x4 = 7 4 x1 - 2 x2 - 3 x3 + x4 = - 1 4 x1 - 5 x2 + 3 x3 - 2 x4 = 8 cramers rule

Algebra ->  Matrices-and-determiminant -> SOLUTION: - x1 + 2 x2 + 3 x3 + x4 = 6 2 x1 + 3 x2 + x3 + 4 x4 = 8 2 x1 + 3 x2 + x3 + 3 x4 = 7 4 x1 - 2 x2 - 3 x3 + x4 = - 1 4 x1 - 5 x2 + 3 x3 - 2 x4 = 8 cramers rule       Log On


   

Question 1208887: - x1 + 2 x2 + 3 x3 + x4 = 6
2 x1 + 3 x2 + x3 + 4 x4 = 8
2 x1 + 3 x2 + x3 + 3 x4 = 7
4 x1 - 2 x2 - 3 x3 + x4 = - 1
4 x1 - 5 x2 + 3 x3 - 2 x4 = 8
cramers rule

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
There are 4 variables in 5 equations.
there are solvers online.
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If you want help here, resubmit using w, x, y and z as variables. not x1, x2, etc.