Which graph shows the solution set of the inequality -3x-7<20

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01-12-2017
Mathematics

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Which graph shows the solution set of the inequality -3x-7<20

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chudung1976 chudung1976 · Answer 1 · 2017-12-01T15:01:15+01:00

chudung1976 chudung1976

01-12-2017

First, you wrote -3x-7<20, that means -3x<20+7
or -3x<27 and we have x>-9
We draw the line of equation x= -9 and we have the set of solution is the haft of the plan on the right of the line x= -9

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