That would be the second choice. Translation of 2 to the left
Answer:
Step-by-step explanation:
3(x+7)=-36
x+7=-12
x=-19
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Question
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![\boxed { \frac{n+h}{5} = \frac{f+9}{9}}](https://tex.z-dn.net/?f=%20%5Cboxed%20%7B%20%5Cfrac%7Bn%2Bh%7D%7B5%7D%20%20%3D%20%20%5Cfrac%7Bf%2B9%7D%7B9%7D%7D%20)
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Split the fraction on the left
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![\boxed { \frac{n}{5} + \frac{h}{5} = \frac{f + 9}{9}}](https://tex.z-dn.net/?f=%5Cboxed%20%7B%20%5Cfrac%7Bn%7D%7B5%7D%20%2B%20%5Cfrac%7Bh%7D%7B5%7D%20%20%3D%20%5Cfrac%7Bf%20%2B%209%7D%7B9%7D%7D%20)
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Take away h/5 from both sides
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![\boxed { \frac{n}{5} = \frac{f+9}{9} - \frac{h}{5}}](https://tex.z-dn.net/?f=%5Cboxed%20%7B%20%5Cfrac%7Bn%7D%7B5%7D%20%20%3D%20%5Cfrac%7Bf%2B9%7D%7B9%7D%20-%20%5Cfrac%7Bh%7D%7B5%7D%7D)
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Change the denominator to be the same
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![\boxed { \frac{n}{5} = \frac{5f+45}{45} - \frac{9h}{45}}](https://tex.z-dn.net/?f=%5Cboxed%20%7B%20%5Cfrac%7Bn%7D%7B5%7D%20%3D%20%5Cfrac%7B5f%2B45%7D%7B45%7D%20-%20%5Cfrac%7B9h%7D%7B45%7D%7D%20)
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Put it into single fraction
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![\boxed { \frac{n}{5} = \frac{5f+45-9h}{45} }](https://tex.z-dn.net/?f=%5Cboxed%20%7B%20%5Cfrac%7Bn%7D%7B5%7D%20%3D%20%5Cfrac%7B5f%2B45-9h%7D%7B45%7D%20%7D)
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Rearrange (This step may not be necessary)
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![\boxed {\frac{n}{5} = \frac{5f-9h+ 45}{45} }](https://tex.z-dn.net/?f=%20%5Cboxed%20%7B%5Cfrac%7Bn%7D%7B5%7D%20%3D%20%5Cfrac%7B5f-9h%2B%2045%7D%7B45%7D%20%7D)
D . All three have same volume