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2 votes
Can you help me with this

Can you help me with this-example-1

1 Answer

5 votes

Answer:


- 3x - 9y = 21

Explanation:


- 3x - 9 - 9y = 12 \\ - 3x - 9y = 12 + 9 \\ - 3x - 9y = 21 \\

User Nathan Grigg
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