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-x-3<0 and -11>-x-3 compound inequalities

User Axarydax
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1 Answer

5 votes

Answer:

x > 8

Explanation:

You want the solution to the compound inequalities ...

  • -x -3 < 0, and
  • -11 > -x -3

Solutions

The first inequality can be solved by adding x to both sides:

-x -3 < 0

-3 < x

The second inequality can be solved by adding x+11 to both sides:

-11 > -x -3

x > 8

Intersection

The intersection of these solution spaces is ...

-3 < x and 8 < x ⇒ 8 < x

Only points on the number line that are to the right of x=8 are in both solution sets.

8 < x

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User Xinthose
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