Linear systems

 

In Axiom

For comparison with other CAS choose from: Derive Macsyma Maple Mathematica Reduce

inputs outputs

    solve([2*x1+x2+3*x3-9, x1-2*x2+x3+2, 3*x1+2*x2+2*x3-7], [x1, x2, x3])

    [[x1= - 1,x2= 2,x3= 3]]
                         Type: List List Equation Fraction Polynomial Integer