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08-01-2016
Mathematics

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16-r/7 =21
Help asap please!!!!

Respuesta :

08-01-2016

first you should add -16 on both sides so you gonna have : -r/7 = 21 - 16 = 5 so now you can multiply both sides by 7 so you gonna have : -r = 35 so r = - 35 :))
i hope this is helpful
have a nice day

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