Image: First Equation Ever

First_Equation_Ever.png(217 × 27 pixels, file size: 3 KB, MIME type: image/png)

Description: The first equation ever written, by Robert Recorde in his treatise The Whetstone of Witte, in 1557. The equation is represented, in modern terms, by 14x+15=71{\displaystyle 14x+15=71}, and its solution is x=4.
Title: First Equation Ever
Credit: http://www-groups.dcs.st-and.ac.uk/~history/Bookpages/Recorde4.jpeg
Author: Robert Recorde
Usage Terms: Public domain
License: Public domain
Attribution Required?: No

The following 3 pages link to this image: