azaleambailey azaleambailey

21-02-2018
Mathematics

contestada

x+3y-z=8
3x-2y+2x=5
2x+y-3z=-7
What are the values of x,y, and z?

Respuesta :

sqdancefan sqdancefan

22-02-2018

We assume a typo in the second equation, and that it should be
.. 3x -2y +2z = 5

x = 1 2/9 . . . . . = 11/9
y = 3 13/18 . . . = 67/18
z = 4 7/18 . . . . = 79/18

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