Answer and Step-by-step explanation:




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<em><u>Distributive property of multiplication :</u></em>



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<em><u>Now, that we know what it means let's apply it in our equation:</u></em>
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<em><u>Now, we simplify:</u></em>
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<em><u>Divide both sides by 2 in the equation:</u></em>
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<em><u>Simplify :</u></em>
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<em><u>Thus, the first correct step is option B,</u></em>
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