Pronunciation: /ˈikwəl saɪn/ ?
The equal sign is the symbol '='.
The equal sign is used to indicate that the
on each side of the equal sign have
the same value.
3 + x = 2x states that the expression 3 + x
has the same value as the expression 2x.
This equality relationship can be used to conclude that x = 3.
- equal sign. merriam-webster.com. Encyclopedia Britannica. (Accessed: 2010-01-25). http://www.merriam-webster.com/dictionary/equal sign.
- Keigwin, H. W.. Principles of Elementary Algebra, pg 5. Ginn & Company, 1886. (Accessed: 2010-01-12). http://www.archive.org/stream/principlesofelem00dupurich#page/5/mode/1up/search/equality.
Cite this article as:
Equal Sign. 2008-07-15. All Math Words Encyclopedia. Life is a Story Problem LLC. http://www.allmathwords.org/en/e/equalsign.html.
2010-01-25: Added "References" (McAdams, David.
2008-07-15: Minor clarification edits (McAdams, David.
2007-08-02: Initial version (McAdams, David.