What do you get when you multiply both sides of this inequality by -1? -8x+9y≤17
What do you get when you multiply both sides of this inequality by -1? -8x+9y≤17
I think you don't have any problem with changing polarity.
I think you're wondering how it would affect the < inequality.
Try it with a simpler inequality.
What do you have to do to the symbol if you multiply both sides of 1 < 2 by –1.....
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