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How do I do this problem?
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How do I do this problem?

How do I do this problem?-example-1
User Nikita Kalugin
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4b+18\leq-12b-14\leq14-5b\\4b+18\leq-12b-14\,and\,-12b-14\leq14-5b\\4b+12b\leq-14-18\,and\,-14-14\leq-5b+12b\\16b\leq-32\,and\,-28\leq7b\\b\leq-(32)/(16)\,and\,-(28)/(7)\leq b\\b\leq-2\,and\,b\geq-4\\-4\leq b \leq-2
User Tanesha
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