gordy73 gordy73

10-10-2016
Mathematics

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show steps to solve this equation -124=-7(2n+4)+2n

Respuesta :

10-10-2016

-124=-7(2n+4)+2n
=> -7(2n+4)+2n = -124 .. ( switch sides )
=> -14n - 28 + 2n = -124
=> -12n = -124 + 28
=> -12n = -96
=> n = -96/-12
=> n = 8 ...

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