Question: In Example 6, change the + in the middle member to and then solve the resulting inequality. Graph the solution. Data from example 6

In Example 6, change the + in the middle member to − and then solve the resulting inequality. Graph the solution.


Data from example 6

Solve: −1 We have the following solution.

-1 < 2x + 3 < 6 original inequality -4 < 2x


The solution is shown in Fig. 17.10.

< 3 3 -2 < x < < < 1/1 2 subtract

-1 < 2x + 3 < 6 original inequality -4 < 2x < 3 3 -2 < x < < < 1/1 2 subtract 3 from each member divide each member by 2

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