taydarin
taydarin
16-02-2017
Mathematics
contestada
what is 7n+6=4n-9. can someone help plz
Respuesta :
RAB3202002
RAB3202002
16-02-2017
7n +6= 4n -9
7n-4n= -6 -9
3n = -15
n = -15/3
n = -5
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