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OpenStudy (anonymous):
1.Eliminate the “z” variable in the last two equations by finding opposite coefficients and adding. What is the resulting equation? x + 3y + 2z = –16 2x – y + 2z = –15 2x – 2y – z = 1 Answer 6x + 5y = 13 4x – 3y = –14 6x – 5y = –13 4x + y = –14
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OpenStudy (anonymous):
6x – 5y = –13
OpenStudy (anonymous):
any doubts ?
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