determine the variable/s used in the algebraic expressions / equation.
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[tex]\huge \color{pink}{\boxed{HELLO!}}[/tex]
[tex]\huge\color{lime}{\boxed{\boxed{\colorbox{skyblue}{\tt{\color{purple}{Answer\color{blue}}}}}}}[/tex]
variable, In algebra, a symbol (usually a letter) standing in for an unknown numerical value in an equation. Commonly used variables include x and y (real-number unknowns), z (complex-number unknowns), t (time), r (radius), and s (arc length).
[tex] \huge \color{pink}{hope \: it \: helps} [/tex]