momorin1
momorin1
06-09-2017
Mathematics
contestada
7(3n-1) + 7n= -38-3n
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jawsomeguy105
jawsomeguy105
06-09-2017
the answer is n= -1 I'm positive.
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pmitr
pmitr
06-09-2017
21n-7+7n=-38-3n. 3n+21n-7+7n=-38. 31n-7=-38 31n=-31. N= -1
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