KaylaLogsdon713 KaylaLogsdon713
  • 12-07-2015
  • Mathematics
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Subtract: (4n + 7) - (7n - 8)

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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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