Question: simultaneous equations

ex how do i command # 1 3x+2y+z=2 # 2 4x+2y+2z=8 # 3 x-y+z=4 i can do the math. (3*#3)+ #1=-5y+2z=10 (4*#3) +#2=6y-2z=-8 add both together y=2 sub in one equation above 6y-2z=-8 z=10 sub into x-y+z=4 x=-4 set this up in maple for me
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