cmora79 cmora79
  • 15-11-2018
  • Social Studies
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what the value of each expression is

what the value of each expression is class=

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ivyy347
ivyy347 ivyy347
  • 15-11-2018

5-7=-2     -5+(-7)=12   -5+7=2  -5-(-7)=2

whenever there are 2 negative signs next to each other you add the numbers

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