Mathematics
11.01.2020 13:37
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Solve the compound inequality and graph the solutions. βˆ’3 x - 10/ 4 -2

Solve the compound inequality and graph the solutions.

βˆ’3 < x - 10/ 4 < -2
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ayeletstrauss
ayeletstrauss
4,6(43 marks)

The solution to the inequality may be obtained as follows:

|

3

x

βˆ’

4

|

+

6

<

10

|

3

x

βˆ’

4

|

<

4

[

Subtract 6 from both sides

]

The expression inside the absolute value sign can either be a positive or a negative value.

For positive value:

(

3

x

βˆ’

4

)

<

4

3

x

<

8

[

Add 4 to both sides

]

x

<

8

3

[

Divide both sides by 3

]

For negative value:

βˆ’

(

3

x

βˆ’

4

)

<

4

βˆ’

3

x

+

4

<

4

βˆ’

3

x

<

0

[

Subtract 4 from both sides

]

x

>

0

[

Divide both sides by -3 and flip the inequality sign

Step-by-step explanation:

hannah2757
hannah2757
5,0(74 marks)

e

Step-by-step explanation:

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