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Which expression is equivalent to 3a+9a+7b-b

Which expression is equivalent to 3a+9a+7b-b
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3 votes
Which expression is equivalent to 3a+9a+7b-b

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User Rafael De Bem
by
8.3k points

1 Answer

4 votes

Answer:

12a+6b

Explanation:

3a+9a+7b-b

Combine like terms

3a+9a +7b-b

12a +6b

answered
User Azhy
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