DJS1147
DJS1147
15-10-2016
Mathematics
contestada
Please solve 21=5n-2(n-3)
Respuesta :
SJ2006
SJ2006
15-10-2016
21 = 5n-2(n-3)
21 = 5n-2n+6
21-6 = 3n
n=15/3
n=5
Answer Link
madhattedlady
madhattedlady
15-10-2016
5=n because you multiply -2 times n then -3 then you add -2n with 5n then subtract 6 from both sides and finally divide by 3
Answer Link
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