Gabrielle111
Gabrielle111
27-04-2017
Mathematics
contestada
How do I do this problem 4(5n-7)=10n+3
Respuesta :
mreijepatmat
mreijepatmat
27-04-2017
a) get rid of the parenthesis 4(5n-7) = 20n-28,
so 20n-28=10n+3===>transpose 10n from the left to the right it becomes -10n & transpose -28 from the left to the right it becomes +28
10n=31 & n=31/10 ==> n=3.1
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