At Westonci.ca, we make it easy to get the answers you need from a community of informed and experienced contributors. Experience the convenience of finding accurate answers to your questions from knowledgeable experts on our platform. Explore comprehensive solutions to your questions from knowledgeable professionals across various fields on our platform.

7(4n-9) - 3(n-7)
Use the Distributive Property to
write an equivalent expression.​

Sagot :

Answer:

  • 25n - 42

Step-by-step explanation:

Distributive Property:

  • a(b + c) = ab + ac

Given:

  • 7(4n-9) - 3(n-7)

Simplify:

  • 7(4n-9) - 3(n-7) =
  • 28n - 63 - 3n + 21 =
  • 25n - 42

Answer:

[tex]25n - 42[/tex]

Step-by-step explanation:

[tex]7\left(4n-9\right)-3\left(n-7\right)[/tex]

[tex]7\left(4n-9\right)[/tex]

[tex]28n-63[/tex]

[tex]=28n-63-3\left(n-7\right)[/tex]

[tex]-3\left(n-7\right)[/tex]

[tex]3n+21[/tex]

[tex]=28n-63-3n+21[/tex]

[tex]\mathrm{Group\:like\:terms}:-[/tex]

[tex]28n-3n-63+21[/tex]

[tex]=25n-42[/tex]

OAmalOHopeO