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Popular >

-5<= 2a-1<9

Solution

- 5 \leq 2 a - 1 < 9

Solution

- 2 \leq a < 5

+1

Interval Notation

[- 2, 5)

Solution steps

- 5 \leq 2 a - 1 < 9

If

a \leq u < b

then

a \leq u and u < b

- 5 \leq 2 a - 1 and 2 a - 1 < 9

- 5 \leq 2 a - 1 : a \geq - 2

2 a - 1 < 9 : a < 5

Combine the intervals

a \geq - 2 and a < 5

Merge Overlapping Intervals

- 2 \leq a < 5

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Frequently Asked Questions (FAQ)

What is -5<= 2a-1<9 ?
The solution to -5<= 2a-1<9 is -2<= a<5