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# Solving Equations

From supply and demand to position and velocity, equations model the world around us. Equip yourself with the tools necessary to solve for x.

examples, and problems from the community.

including olympiad champions, researchers, and professionals.

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What is the value of \(x\) that satisfies the equation \[\frac{x-21}{7}=3?\]

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by **Brilliant Staff**

What is the value of \(x\) that satisfies the equation \[2x-17=29?\]

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What is the value of \(x\) that satisfies \(\frac{1}{11}x+1=\frac{1}{4}x+\frac{4}{11}\)?

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What is the value of \(x\) that satisfies the equation \[x-17=\frac{1}{2}(x-8)+5?\]

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What is the value of \(x\) that satisfies the equation \(5(x-1)=4x+7\)?

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by **Brilliant Staff**

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