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What is the value of k if (1, 1) is a solution of 2x + 7y=k?​
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What is the value of k if (1, 1) is a solution of 2x + 7y=k?​

User Phares
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1 Answer

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answer: k=9
reasoning: just plug in 1 for x and 1 for y
User Dwigt
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