TheEnvelope TheEnvelope

14-03-2017
Mathematics

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Twenty one is no less than the sum of a number and -2

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Аноним Аноним

14-03-2017

[tex]x+(-2)=21 [/tex]
get rid of -2 by subtracting it from 21
[tex]x+(-2)=21-(-2)[/tex]
Now you get your answer
[tex]x=23[/tex]
Hope this helps! :)

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