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NaXir · Answer 1 · 2022-01-19T02:16:26+0000

Answer:

-14a

Step-by-step explanation:

Distribute:

7b-7a-7b-7a

Simply:

7b-7b cancels out which leaves you with -7a-7a which equals -14a

Petr Pokrovskiy · Answer 2 · 2022-01-23T23:22:47+0000

Answer:
-14a

Step-by-step explanation:
We are given 7(b - a) - 7(b + a).

We can distribute the 7’s to get:
7b - 7a - 7b - 7a

Combining like terms, we have:
-14a

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