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If 2x+y=15 and x+2y= -3 then 2x+2y=
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If 2x+y=15 and x+2y= -3 then 2x+2y=

User Wanderlust
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if 2x +y =15 and x+2y =-3 then 2x +2y = 7.5 , I am not sure if its 7.5
User DrSAR
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