SOLUTION: -5x-3y=-2 -2y+6z=24 4x-7z=2 what is x,y,and z

SOLUTION: -5x-3y=-2 -2y+6z=24 4x-7z=2 what is x,y,and z

Algebra.Com

Question 1070851: -5x-3y=-2
-2y+6z=24
4x-7z=2
what is x,y,and z
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
Not the most efficient way, but using simple matrix row operations, starting with

this matrix can be obtained:

If no mistakes were made, then and ;
... and then E1=E1-3*E2 would give

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