# 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

## Image usage

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