3Ã3 Systems Elimination by addition
x-4y-3z=-7 4x-4y+z=-3 2x+y-5z=20
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3Ã3 Systems Elimination by Addition
Ã-4y-3z=-7 4Ã-4y+z=-3 2Ã+y-5z=-4
Please show all steps;I need to be able to know how to solve the problems on my own.
3Ã3 Systems Elimination by Addition, please show work.
2Ã+5y-2z=7 -2y-3z=13 4z=20