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Popular >

-2<= 3x+1<= 7

Solution

- 2 \leq 3 x + 1 \leq 7

Solution

- 1 \leq x \leq 2

+1

Interval Notation

[- 1, 2]

Solution steps

- 2 \leq 3 x + 1 \leq 7

If

a \leq u \leq b

then

a \leq u and u \leq b

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

- 2 \leq 3 x + 1 : x \geq - 1

3 x + 1 \leq 7 : x \leq 2

Combine the intervals

x \geq - 1 and x \leq 2

Merge Overlapping Intervals

- 1 \leq x \leq 2

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1 - 0.25 x^{2}

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64 a^{6} - 36 x^{4}

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3 \cdot \frac{5}{3}

Frequently Asked Questions (FAQ)

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