WA+WB=1 WA*2.8954+WB*0.7864=5
WA? WB?
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WA+WB=1 2.8954*WA+2.8954*WB=2.8954-------1¦¡ WA*2.8954+WB*0.7864=5-------2¦¡ 2¦¡-1¦¡=-2.109*WB=4 WB=-4000/2109 WA=1-WB 1-(-4000/2109)=2109/2109+4000/2109=6109/2109
WB=-4000/2109 WA=6109/2109 # _________________
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