5. Solve the following system of equations. Carefully show how you arrived at your answers. 4x+2y-z=21 -x-2y+2z =13 3x-2y+5z =70 5onit eE ei 21odmun owi orli lo soneoib 19gnel oris bris 2 ai z19dmun owi to mue o yllesisidogls gnivloz brs anwondnu owi diw anoitsupo owi lo motaye n qu gninsa yd wolad nwoda s16 enoilaupe sorw 2anil ow od to zmiog noitooeromi adrbi vleoinde A 6. Algebraically solve the following system of equations. There are two variables that can be readily eliminated, but your answers will be the same no matter which you eliminate first. 2x +5y-z =-35 x-3y+4z = 31 -3x+2y+2z =-23 vilemol motev2siylos odier wolsd roee odi ot notloca e ban 7. Algebraically solve the following system of equations. This system will take more manipulation because there are no variables with coefficients equal to 1. 2x+3y-2z = 33 4x +5y+3z = 54 -6x – 2y-8z = -50

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