nannie2004107
nannie2004107
05-04-2018
Mathematics
contestada
solve:189=-3(1+7n)-3n
Respuesta :
SINAZEUS
SINAZEUS
05-04-2018
the answer is -8
[tex]189 = - 3(1 + 7n) - 3n \\ 189 = - 3 - 21n - 3n \\ 189 = - 3 - 24n \\ 24n = - 3 - 189 = - 192[/tex]
[tex]n = \frac{ - 192}{24} = - 8[/tex]
good luck
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