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Popular >

2<= x+9<4

Solution

2 \leq x + 9 < 4

Solution

- 7 \leq x < - 5

+1

Solution steps

2 \leq x + 9 < 4

If

a \leq u < b

then

a \leq u and u < b

2 \leq x + 9 and x + 9 < 4

2 \leq x + 9 : x \geq - 7

x + 9 < 4 : x < - 5

Combine the intervals

x \geq - 7 and x < - 5

Merge Overlapping Intervals

- 7 \leq x < - 5

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factor-27x^3+64 factor

- 27 x^{3} + 64

Frequently Asked Questions (FAQ)

What is 2<= x+9<4 ?
The solution to 2<= x+9<4 is -7<= x<-5