SOLUTION: solve each system using a graphing calculator 2x+3y+z=13 5x-2y-4z=7 4x+5y+-3z=25

Algebra ->  Linear-equations -> SOLUTION: solve each system using a graphing calculator 2x+3y+z=13 5x-2y-4z=7 4x+5y+-3z=25      Log On


   



Question 681486: solve each system using a graphing calculator
2x+3y+z=13
5x-2y-4z=7
4x+5y+-3z=25

Answer by MathMan88(14) About Me  (Show Source):
You can put this solution on YOUR website!
Use Reduce Row Echelon Form
rrefmatrix%283%2C4%2C2%2C3%2C1%2C13%2C5%2C-2%2C-4%2C7%2C4%2C5%2C-3%2C25%29
gives

which translates into
x=(2.26829...)
y=(2.95121...)
z=(-.39024...)