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(2²) n + n + (2²) 10
------------------------ = 10
2²
4n + n + 40
--------------- = 5
2²
5n + 40
------------- = 5
2²
5 (n + 8) = 5
----------------
2²
5 (n + 8) = 20
5n + 5 (8) = 20
5n + 40 = 20
5n = 20 - 40
5n = - 20
n = - 20/5
n = - 4
Respuesta :
n = - 4