Pkatrina320
Pkatrina320
07-10-2014
Mathematics
contestada
The sum of twice a number b and 3 is 18.
Respuesta :
luana
luana
07-10-2014
[tex]2b+3=18\ \ \ |Subtract\ 3\\\\ 2b=15\ \ \ |Divide\ by\ 2\\\\ b=7,5\\\\Solution\ is\ b=7,5.[/tex]
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Аноним
Аноним
07-10-2014
2(b+3)=18 that si the answer
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