solve using matrix 
2/x-3/y+3/z=10
1/x+1/y+1/z=10
3/x-1/y+2/z=13

please explain with steps
 

you will have to substitute 1/x=a , 1/y=b ,1/z=c...! then solve those equations n at the end substitute it back as 1/x 1/y n 1/z resp...!
 
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take 1/x=a , 1/y=b , 1/z=c ; then simply sole as u solve other questions of this type :)
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