Sub Macro1()
  r = 11 '起点の行
  Do While Cells(r, "E") <> ""
    If Cells(r, "E") < 0 Then
      Cells(r, "E") = -Cells(r, "E")
      For c = Asc("G") To Asc("M")
        Cells(r, Ch r(c)) = -Cells(r, Ch r(c))
      Next c
    End If
    r = r + 1
  Loop
End Sub