It shall be lawful for any church organized under the provisions of this act, by a majority of the members of said church, to alter or amend its articles of incorporation in any manner not inconsistent with this act, and such alteration or amendment shall become operative when a majority of the members of said church of full age shall execute amended articles, and said amended articles shall have been executed in the manner provided for in section 3 of this act, and shall have been filed as stated in section 4 of this act.