English: 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
![{\displaystyle 14x+15=71}](https://wikimedia.org/api/rest_v1/media/math/render/svg/a7c3c44af1dba448c5e5a7ceecf9c777700f0d6f)
, and its solution is
x=4.
14x+15 = 71
14x+15-15 = 71-15 = 56
14x/14 = 56/14 = 4
עברית: המשוואה הראשונה אי פעם שנכתבה על ידי
רוברט רקורד בחיבורו
The Whetstone of Witte, ב-1557. בכתיב מודני המשוואה תרשם כך:
![{\displaystyle 14x+15=71}](https://wikimedia.org/api/rest_v1/media/math/render/svg/a7c3c44af1dba448c5e5a7ceecf9c777700f0d6f)
,ופתרונה הוא
4.
Français : La première équation jamais écrite, par
Robert Recorde dans son traité
The Whetstone of Witte, en 1557. L'équation est représentée, en termes modernes, par
![{\displaystyle 14x+15=71}](https://wikimedia.org/api/rest_v1/media/math/render/svg/a7c3c44af1dba448c5e5a7ceecf9c777700f0d6f)
, et sa solution est
x=4.
Español: La primera ecuación jamás escrita, por
Robert Recorde en su tratado
The Whetstone of Witte, en 1557. La ecuación se representa, en términos modernos, por
![{\displaystyle 14x+15=71}](https://wikimedia.org/api/rest_v1/media/math/render/svg/a7c3c44af1dba448c5e5a7ceecf9c777700f0d6f)
, y su solución es
x=4.
Italiano: La prima equazione mai scritta, di
Robert Recorde, nel suo libro
The Whetstone of Witte, nel 1557. L'equazione verrebbe rappresentata, in termini moderni, come
![{\displaystyle 14x+15=71}](https://wikimedia.org/api/rest_v1/media/math/render/svg/a7c3c44af1dba448c5e5a7ceecf9c777700f0d6f)
, e la sua soluzione è
x=4.
Deutsch: Die erste aufgeschriebene Gleichung aus
Robert Recordes Abbhandlung
The Whetstone of Witte (1557). Die Gleichung lautet in heutiger Schreibweise
![{\displaystyle 14x+15=71}](https://wikimedia.org/api/rest_v1/media/math/render/svg/a7c3c44af1dba448c5e5a7ceecf9c777700f0d6f)
und besitzt die einzige Lösung
![{\displaystyle x=4}](https://wikimedia.org/api/rest_v1/media/math/render/svg/73bfdd8100b6a4ce07d011900560f102e3965064)
.
Nederlands: De eerste opgeschreven vergelijking ooit, door
Robert Recorde in zijn verhandeling
The Whetstone of Witte, in 1557. De vergelijking ziet er in moderne notatie uit als
![{\displaystyle 14x+15=71}](https://wikimedia.org/api/rest_v1/media/math/render/svg/a7c3c44af1dba448c5e5a7ceecf9c777700f0d6f)
, en haar oplossing is
x=4.
Русский: Первое известное написанное уравнение
![{\displaystyle 14x+15=71}](https://wikimedia.org/api/rest_v1/media/math/render/svg/a7c3c44af1dba448c5e5a7ceecf9c777700f0d6f)
;
Роберт Рекорд 1557 год.