phanie05118
phanie05118
10-02-2016
Mathematics
contestada
negative 1 over 2 x + 3 = –x + 7
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Аноним
Аноним
10-02-2016
-1/2x+3=-x+7
multiply thoughout by 2x
-1 6x = -2x^2 +14x
2x^2-8x-1=0
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