mirianmartinez9
mirianmartinez9
29-08-2014
English
contestada
What is 7( a+ b)=7 a in algebra
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luana
luana
29-08-2014
[tex]7(a+b)=7\ \ \\\\ 7*a+7*b=7\ \ |:7\\\\ a+b=1\\\\a=1-b[/tex]
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