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Amanda Mills
14 Jul 2022 02:34 AM study24x7 study24x7

what is x?

Class 12 (PCM)
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  • Srishti Singh
    • The letter "x" is often used in algebra to mean a value that is not yet known. It is called a "variable" or sometimes an "unknown". In x + 2 = 7, x is a variable, but we can work out its value if we try! A variable doesn't have to be "x", it could be "y", "w" or any letter, name or symbol.

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    Reply 18 Jul 2022 02:59 PM
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