Alguien sabe como se hace esto?

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<img src="https://tex.z-dn.net/?f=5-3x%2B3x-6%3D8x%2B88-3x%2B6" />

<img src="https://tex.z-dn.net/?f=-1%3D5x%2B94" />

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<img src="https://tex.z-dn.net/?f=-1%2B1%3D5x%2B94%2B1" />

<img src="https://tex.z-dn.net/?f=0%3D5x%2B95" />

<img src="https://tex.z-dn.net/?f=%5Cmathrm%7BRestar%5C%3A%7D5x%5Cmathrm%7B%5C%3Ade%5C%3Aambos%5C%3Alados%7D" />

<img src="https://tex.z-dn.net/?f=0-5x%3D5x%2B95-5x" />

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