kamjfhtyfu kamjfhtyfu
  • 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 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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