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OpenStudy (anonymous):
Use the substitution method to solve the following system of equations. x + 2y – z = 7 4x – y + 3z = –2 2x + 2y – z = 9 Use the substitution method to solve the following system of equations. x + 2y – z = 7 4x – y + 3z = –2 2x + 2y – z = 9 @Mathematics
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OpenStudy (anonymous):
(–2, 1, –3) (2, 1, –3) (–2, –1, 3) (2, 1, 3)
OpenStudy (agreene):
(2,1-3)
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