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Solve the equations 3x+4y+5z=18,2x-y+8z...

Solve the equations `3x+4y+5z=18,2x-y+8z=13,5x-2y+7z=20` by Gauss-Jordan method.

A

`x=3,y=1,z=1`

B

`x=4,y=-3,z=1`

C

`x=1,y=1,z=1`

D

`x=7,y=-10,z=4`

Text Solution

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The correct Answer is:
A
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