In a balanced manner (6)
I believe the answer is:
evenly
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">in a balanced manner</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for evenly that I've seen before include "Calmly or equitably" , "on an equal footing" , "impartial manner" , "not getting ruffled" , "in a uniform way" .)