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Simplify 6a + 5a - a - 5 + 2a712a-513a-512a

User Xiaokun
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1 Answer

3 votes

By arranging similar terms, we have


\begin{gathered} 6a+5a+2a-a-5 \\ \text{which gives} \\ 13a-a-5 \end{gathered}

since 13a minus a is 12a, the answer is


12a-5

which corresponds to option 2 from top to bottom

User IGhost
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