yulisstars012
yulisstars012
20-09-2015
Mathematics
contestada
3/5n 9/10=1/5n-23/10
Respuesta :
Аноним
Аноним
20-09-2015
(3/5n)(9)10=1/5n−23/10
27/50n=1/5n+−23/10
Subtract 1/5n from both sides.
27/50n−1/5n=1/5n+−23/10−1/5n
17/50n=−23/10
Multiply both sides by 50/17.
(50/17)*(17/50n)=(50/17)*(−23/10)
n=−115/17
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