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Popular >

9<4x+1<x+16

Solution

9 < 4 x + 1 < x + 16

Solution

2 < x < 5

+1

Interval Notation

(2, 5)

Solution steps

9 < 4 x + 1 < x + 16

If

a < u < b

then

a < u and u < b

9 < 4 x + 1 and 4 x + 1 < x + 16

9 < 4 x + 1 : x > 2

4 x + 1 < x + 16 : x < 5

Combine the intervals

x > 2 and x < 5

Merge Overlapping Intervals

2 < x < 5

Popular Examples

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((x-3))/((x+4))>= ((x+2))/((x-5))

\frac{( x - 3 )}{( x + 4 )} \geq \frac{( x + 2 )}{( x - 5 )}

factor 6r^3+8r^2-12r-16 factor

6 r^{3} + 8 r^{2} - 12 r - 16

Frequently Asked Questions (FAQ)

What is 9<4x+1<x+16 ?
The solution to 9<4x+1<x+16 is 2<x<5