3 years ago

Simplify 7(B + 3) + 2B

1 answer:

7 0

7 (b + 3) + 2b

First, expand to get rid of parentheses.
$7b + 21 + 2b$
Second, gather the like terms.
$(7b + 2b) + 21$
Third, in the parentheses, add 7b + 2b to get 9b.
$9b + 21$

Answer: 9b + 21

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