Question and Answers Forum

All Questions      Topic List

Matrices and Determinants Questions

Previous in All Question      Next in All Question      

Previous in Matrices and Determinants      Next in Matrices and Determinants      

Question Number 151028 by kalenis last updated on 17/Aug/21

Answered by amin96 last updated on 17/Aug/21

{ ((x+y−z=7 −)),((x−y+2z=3)),((2x+y+z=9)) :}⇒ { ((2x+z=10)),((10+y=9)) :} ⇒ { ((2x+z=10)),((y=−1)) :} { ((x−z=8)),((x+2z=2)) :} { ((2x−2z=16)),((x+2z=2)) :}⇒3x=18 x=6 x−z=8 ⇒ z=−2 answer (6; −1; −2)

{x+y−z=7−x−y+2z=32x+y+z=9⇒{2x+z=1010+y=9⇒{2x+z=10y=−1{x−z=8x+2z=2{2x−2z=16x+2z=2⇒3x=18x=6x−z=8⇒z=−2answer(6;−1;−2)

Terms of Service

Privacy Policy

Contact: info@tinkutara.com