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12-10-2017
Mathematics

contestada

5n-12=3n+4 equals what

Respuesta :

12-10-2017

5n-12=3n+4
2n-12=4
2n=16
n=8

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AJGreen AJGreen

12-10-2017

Take add 12 to both sides:
5n-12+12 = 3n+4+12
= 5n = 3n+16

Then take away 3n from both sides:
5n-3n = 3n+16-3n
= 2n = 16

Then divide both sides by 2
2n/2 = 16/2
= n = 8

Hope this helps! :)

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