KaylaLogsdon713
KaylaLogsdon713
12-07-2015
Mathematics
contestada
Subtract: (4n + 7) - (7n - 8)
Respuesta :
Аноним
Аноним
12-07-2015
4n+7−(7n−8)
=4n+7+−1(7n−8)
=4n+7+−1(7n)+(−1)(−8)
=4n+7+−7n+8
Combine Like Terms
=4n+7+−7n+8
=(4n+−7n)+(7+8)
=−3n+15
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