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OpenStudy (anonymous):
help please Solve the following system of equations. 3x - 2y + z = -6 x - 3y + z = -3 2x + y - 2z = -7
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OpenStudy (anonymous):
method or answer?
OpenStudy (anonymous):
answer is easy enough to get, http://www.wolframalpha.com/input/?i=3x+-+2y+%2B+z+%3D+-6%2C+x+-+3y+%2B+z+%3D+-3%2C+2x+%2B+y+-+2z+%3D+-7
OpenStudy (anonymous):
these 3 by 3's are a pain. have to eliminate one variable, then solve a two by two system
OpenStudy (anonymous):
ok thanks
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