7. Powers and duties of supervisors as members of the board of supervisors. Each supervisor from such town shall be a member of the board of supervisors of the county in which such town is located and as a member of such board he shall have powers and duties co-ordinate with the powers and duties of the supervisors of other towns in the county, and he shall receive from the county for all services in any official capacity the same salary and expenses as now or hereafter provided by law for supervisors of other towns in such county. If the supervisor from such a town be entitled to more than one vote, the total number of votes to which such town is entitled, without any limitation which would apply to a single supervisor of such town and whether such number of votes be more or less than one-half of the total number of such votes of such board, shall be divided equally between such supervisors of such town.