16-09-2019
Mathematics

contestada

Find the difference.
(7ab+3a-7) - (7ab-6)

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16-09-2019

Answer:

3a - 1

Step-by-step explanation:

Remove the parentheses

7ab + 3a - 7 - 7ab + 6

Combine like terms (terms that have the same variables)

7ab - 7ab = 0

-7 + 6 = -1

3a - 1

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