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Rudik [331]
3 years ago
13

Why do we use variables, and what is the significance of using them in expressions and equations?

Mathematics
1 answer:
Olin [163]3 years ago
5 0
Variables are letters from the end of the alphabet
Economics always uses the firsts letter of whatever that letter is representing.

<span> An </span>expression<span> such as 4x</span>3<span> is a </span>variable<span>. It can assume different values because x can assume different values.</span>
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------------------------------------------------------------------

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