angelinadrisco
angelinadrisco
19-10-2017
Mathematics
contestada
7 + 5r + 3 + 5 = 1 + 7r
Respuesta :
lillavagirl14
lillavagirl14
19-10-2017
7+5r+3+5=1+7r
15+5r=1+7r
-5r=-5r
15=1+2r
-1=-1
14=2r
7=r
Answer Link
ellamarkham818
ellamarkham818
19-10-2017
7+5r+3+5=1+ 7r
15+5r=1+7r
14=2r
r=7
Answer Link
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