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Which expresions is equivalent to 2a + 5(b + 7a)? A.) 7a + 12b B.) 37a + 5b C.) 9a + 5b D.) 2a + 35b
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Which expresions is equivalent to 2a + 5(b + 7a)?

A.) 7a + 12b B.) 37a + 5b C.) 9a + 5b D.) 2a + 35b

User Wolfhoundjesse
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2 Answers

3 votes

2a + 5(b + 7a)\\\\\sf{Distribute~the~5}\\\\\sf{Distributive ~property:~a(b+c)=ab+ac}\\\\2a + 5(b + 7a)\\\\=2a + 5b + 5(7a)\\\\=2a + 5b + 35a\\\\=\boxed{\bf{37a+5b}}

Your final answer is B.
User Danuofr
by
8.6k points
3 votes
Correct answer is B.


2a+5(b+7a)=2a+5*b+5*7b=2a+5b+35a=37a+5b :)
User IEnumerable
by
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