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OpenStudy (anonymous):
why do they use letters instead of a box !!are they just trying to confuse people!! lol??
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OpenStudy (kinggeorge):
Because in more advanced mathematics, sometimes you're dealing with more than a single variable. As a side effect, textbooks were written with x's, and for those of us who go on to study mathematics, seeing the x's lets us get used to it.
OpenStudy (anonymous):
oh! that makes more seance! XD
OpenStudy (anonymous):
sorry i spelled that wrong sense*
OpenStudy (anonymous):
thanks!
OpenStudy (kinggeorge):
You're welcome.
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