Keywords: First Equation Ever.png Robert Recorde in his treatise The Whetstone of Witte in 1557 The equation is represented in modern terms by <math>14x+15 71</math> and its solution is x 4 רוברט רקורד בחיבורו The Whetstone of Witte ב-1557 בכתיב מודני המשוואה תרש כך <math>14x+15 71</math> ופתרונה הוא 4 Robert Recorde dans son traité The Whetstone of Witte en 1557 L'équation est représentée en termes modernes par <math>14x+15 71</math> et sa solution est x 4 Robert Recorde en su tratado The Whetstone of Witte en 1557 La ecuación se representa en términos modernos por <math>14x+15 71</math> y su solución es x 4 Robert Recorde nel suo libro The Whetstone of Witte nel 1557 L'equazione verrebbe rappresentata in termini moderni come <math>14x+15 71</math> e la sua soluzione è x 4 Robert Recordes Abbhandlung The Whetstone of Witte 1557 Die Gleichung lautet in heutiger Schreibweise <math>14x+15 71</math> und besitzt die einzige Lösung <math>x 4</math> Robert Recorde in zijn verhandeling The Whetstone of Witte in 1557 De vergelijking ziet er in moderne notatie uit als <math>14x+15 71</math> en haar oplossing is x 4 http //www-groups dcs st-and ac uk/~history/Bookpages/Recorde4 jpeg Robert Recorde 1557 An SVG version converted to modern text can be found at Image First Equation Ever svg PD-old-100 History of arithmetic Robert Recorde |