Hi there! Hopefully this helps!
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Answer: f = 16
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![2 = (f)/(8)](https://img.qammunity.org/2021/formulas/mathematics/college/y9309acx2k3h6tqpvqpqtfbcr2e5dye622.png)
Multiply both sides by 8.
![2 * 8 = f](https://img.qammunity.org/2021/formulas/mathematics/college/2nwu4l5o3qpuwxltiupr6xcxylvpuas0xz.png)
Multiply 2 and 8 to get 16.
![16 = f](https://img.qammunity.org/2021/formulas/mathematics/college/ni3z76xbpk46wqwsb1x6w3f882c76eb60o.png)
Swap sides so that all variable terms are on the left hand side.
![f = 16](https://img.qammunity.org/2021/formulas/mathematics/college/sr8quccxg4qzoe7z86711u72xokfohn7iw.png)