lupegallegos83 lupegallegos83

17-04-2014
Mathematics

contestada

explain what a variable is in an addition or subtraction expression

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unit274 unit274

17-04-2014

a variable is an unknown value in any addition,subtraction,multiplication,and/or division equation

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ChibiMan ChibiMan

17-04-2014

as my friend unit has already explained,is is a place holder in an equation

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