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Solve the following system of equations. 2x + 3y - z = 13x + y + 2z = 12x + 2y - 3z = -5 Answer options: (3, 1, 2) (-3, 1, 2) (3, -1, 2) (3, 1, -2)
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why dont you go for option checking? ;)
I'm checking my answer momentarily
Broke down it to 3 equations and do elimination.. :)
2x + 3y - z = 1 3x + y + 2z = 1 2x + 2y - 3z = -5
It's either B or C from what I can tell
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