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24-03-2018
Mathematics

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Solve the inequality and graph on a number line. 7x + 4 ≤ x – 2

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calculista calculista

24-03-2018

we have that
7x + 4 ≤ x – 2------------> (7x-x ) ≤ -2-4------> 6x ≤ -6---------> x ≤ -1

the solution is the interval (-∞, -1]

using a graph tool
see the attached figure

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