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​ 21x+7y=42 −5x+5y=10 ​

​ 21x+7y=42 −5x+5y=10 ​
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​

21x+7y=42
−5x+5y=10
​

User Ivan Bianko
by
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1 Answer

4 votes

Answer:

Explanation:

correct

User Valera Leontyev
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