lupegallegos83 lupegallegos83
  • 17-04-2014
  • Mathematics
contestada

explain what a variable is in an addition or subtraction expression

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unit274
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 ChibiMan
  • 17-04-2014
as my friend unit has already explained,is is a place holder in an equation
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