equation (Q11345)

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mathematical statement that asserts the equality of two expressions
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English
equation
mathematical statement that asserts the equality of two expressions

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    First Equation Ever.png
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    The first equation ever written, by the Welshman, Robert Recorde in his treatise ''The Whetstone of Witte'', in 1557. (English)
    Carreg glo pob hafaliad yw'r arwydd '''=''', ac fe'i defnyddiwyd am y tro cyntaf gan y Cymro Robert Recorde yn yr hafaliad yma, sy'n mynegi 14''x'' + 15 = 71, yn ein nodiant ni heddiw. Allan o'i gyfrol ''The Whetstone of Witte'' (1557). (Welsh)
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    equations
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