mattikimmell1
mattikimmell1
27-01-2015
Mathematics
contestada
how do I solve 8c=5c+21 ?
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naǫ
naǫ
27-01-2015
[tex]8c=5c+21 \ \ \ |\hbox{subtract 5c from both sides} \\ 3c=21 \ \ \ |\hbox{divide both sides by 3} \\ c=7[/tex]
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Bcon7
Bcon7
27-01-2015
first subtract 5c from 8c to get "3c=21" and divide each side by 3 so the answer is c=7
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