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What is 213=3(7-8a) in a Formal Two Column Proof Form

What is 213=3(7-8a) in a Formal Two Column Proof Form
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What is 213=3(7-8a) in a Formal Two Column Proof Form

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User Sunmi
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1 Answer

6 votes
213 = 21 - 24a
213 - 21 = 24 a
192 = 24a
8 = a
answered
User Tzach Solomon
by
7.1k points
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