18845309 18845309
  • 17-11-2020
  • Mathematics
contestada

(-3d+4)–(6d–9)
(add and subtract linear expressions)

Respuesta :

maeterence1234
maeterence1234 maeterence1234
  • 17-11-2020

Answer:

−9d+13

Step-by-step explanation:

3d+4−(6d−9)

Distribute the Negative Sign:

=−3d+4+−1(6d−9)

=−3d+4+−1(6d)+(−1)(−9)

=−3d+4+−6d+9

Combine Like Terms:

=−3d+4+−6d+9

=(−3d+−6d)+(4+9)

=−9d+13

Answer:

=−9d+13

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