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Mathematics, 18.12.2020 05:00 kaliyab191

Explain how you can determine whether the graphs of 3x - 4y = -1 and 3y + 9x = -6 are parallel without doing any calculations. This a practice thing that I cannot figure out.

I am not in High School, I have no idea why it says so and how to change it

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Explain how you can determine whether the graphs of 3x - 4y = -1 and 3y + 9x = -6 are parallel witho...
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