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20-10-2018
Mathematics

contestada

What is 20-6n=-2(n+6)?

Respuesta :

20-10-2018

20n - 6n = -2(n + 6)

20 - 6n =-2n -12

6n + 2 n = -20 -12

8n = 32

n = 32 : 8

n = 8

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