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# Linear Equations

Your music collection grows by 20 songs every week. If you currently have 1,000 songs, how many weeks will it take to amass 3,500 songs?

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The point \( (12, k)\) lies on the line \( y = 2x + 7\). What is the value of \(k\)?

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by **Brilliant Staff**

If \(P=(a, 3)\) is a point on the line \[x+y-11=0,\] what is the value of \(a\)?

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by **Brilliant Staff**

examples, and problems from the community.

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by **Brilliant Staff**

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including olympiad champions, researchers, and professionals.

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by **Brilliant Staff**

If \(P=(5, a)\) is a point on the line \[3x+y-22=0,\] what is the value of \(a\)?

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