Kam9610 Kam9610
  • 20-10-2020
  • Mathematics
contestada

(2n-9)-(-2.4n+4) Please help!

Respuesta :

sunswag999 sunswag999
  • 20-10-2020

Answer: =4.4n-13

Step-by-step explanation:

Let's simplify step-by-step.

2n−9−(−2.4n+4)

Distribute the Negative Sign:

=2n−9+−1(−2.4n+4)

=2n+−9+−1(−2.4n)+(−1)(4)

=2n+−9+2.4n+−4

Combine Like Terms:

=2n+−9+2.4n+−4

=(2n+2.4n)+(−9+−4)

=4.4n+−13

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