1. -x-y-z=-8
-4x+4y+5z=7
2x+2z=4
solve by substitution.
2. -2x+2y+3z=0...
Mathematics, 25.10.2019 06:43 allisondelv67
1. -x-y-z=-8
-4x+4y+5z=7
2x+2z=4
solve by substitution.
2. -2x+2y+3z=0
-2x-y+z=-3
2x+3y+3z=5
solve by elimination.
3.
constraints:
x≥0
y≥0
y≤1/3x+3
5≥x+y
objective function: c=6x-4y
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