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

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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