varoc247
varoc247
25-07-2017
Mathematics
contestada
Solve: 5(2n – 2) = 5(23n + 10)
Respuesta :
Аноним
Аноним
25-07-2017
5(2n – 2) = 5(23n + 10)
10n - 10 = 115n + 50
10n - 115n = 50 + 10
-105n = 60
105n = -60
105n/105 = -60/105
n = -4/7
Answer Link
irspow
irspow
25-07-2017
5(2n-2)=5(23n+10) divide both sides by 5
2n-2=23n+10 add 2 to both sides
2n=23n+12 subtract 23n from both sides
-21n=12 divide both sides by -21
n=-12/21 simplify
n=-4/7
Answer Link
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