alizaameer
alizaameer
11-09-2014
Mathematics
contestada
2(9n-1)+7(n+6)=-60 yahoo
Respuesta :
Gracegraves
Gracegraves
11-09-2014
18n+-2+7n+42=-60
18n+7n
is
25n
25n+40=-60
subtract 40
25n=-20
n=-20/25 simplifies to n=-4/5
Answer Link
SecretIndex
SecretIndex
11-09-2014
Distribute:
18n-2+7n+42=-60
Add like Terms:
25n+40=-60
Subtract 40:
25n=-20
Divide by 25:
n=-20/25
Simplify:
n=4/5 OR 0.8
Answer Link
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