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Popular >

3<-2x-1<= 7

Solution

3 < - 2 x - 1 \leq 7

Solution

- 4 \leq x < - 2

+1

Interval Notation

[- 4, - 2)

Solution steps

3 < - 2 x - 1 \leq 7

If

a < u \leq b

then

a < u and u \leq b

3 < - 2 x - 1 and - 2 x - 1 \leq 7

3 < - 2 x - 1 : x < - 2

- 2 x - 1 \leq 7 : x \geq - 4

Combine the intervals

x < - 2 and x \geq - 4

Merge Overlapping Intervals

- 4 \leq x < - 2

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Frequently Asked Questions (FAQ)

What is 3<-2x-1<= 7 ?
The solution to 3<-2x-1<= 7 is -4<= x<-2