Question

What is the value of x

Answer 1

Answer:

$Value \: of \: x \: is \: used \: to \: consider \\ \: unknown \: value. \: The \: letter \: “x” \\ \: is \: commonly \: used \: in \: algebra \: to \\ \: indicate \: an \: unknown \: value. \: It \\ \: is \: referred \: to \: as \: a \: “variable” \: or, \\ \: in \: some \: cases, \: a \: “unknown.” \: In \\ \: x + 2 = 7, \: x \: is \: a \: variable. \\ ... \: A \: variable \: need \: not \: be \: “x,” \\ \: but \: might \: be \: “y,” \: "w," \: \\ or \: any \: other \: letter, \: name, \: or \: \\ symbol.$

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