ACCORD ON TAXES NEAR, CAREY SAYS
Gov Carey announces that Dem and Repub Legis leaders have 'reached broad understandings' and are now optimistic that $200-million NYC tax pkg, stalled since Nov 21, will pass both houses Nov 25; asserts misunderstandings consisted of 'refinements' in language of tax bills, rather than changes in kinds and amts of taxes to be levied in state's effort to secure Fed aid to prevent NYC default; participants in bipartisan meeting that leads to tax agreement say that basic element is role for Emergency Financial Control Bd (M)