yulema21 yulema21

11-12-2014
Mathematics

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Please answer this I need to know so bad!![tex]A+4=11[/tex] what thid

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apologiabiology apologiabiology

11-12-2014

so 'A' is a placeholder to hold the place of an unknown number
in equations you must do the same thing to both sides or else the equation won't be equal
A+4=11
subtract 4 from both sides
A=7

I'm not sure what 'thid' means

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