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Popular >

6x+1<8x+7<6x+9

Solution

6 x + 1 < 8 x + 7 < 6 x + 9

Solution

- 3 < x < 1

+1

Interval Notation

(- 3, 1)

Solution steps

6 x + 1 < 8 x + 7 < 6 x + 9

If

a < u < b

then

a < u and u < b

6 x + 1 < 8 x + 7 and 8 x + 7 < 6 x + 9

6 x + 1 < 8 x + 7 : x > - 3

8 x + 7 < 6 x + 9 : x < 1

Combine the intervals

x > - 3 and x < 1

Merge Overlapping Intervals

- 3 < x < 1

Popular Examples

4 v + 1 \leq 9

x - 56 = 91 - 6 x

simplify sqrt(125)+sqrt(54)-sqrt(45)-sqrt(24)simplify

125 + 54 - 45 - 24

\frac{6 x}{7} - 3 = 2 x

simplify 3/8-1/6+5/12 simplify

\frac{3}{8} - \frac{1}{6} + \frac{5}{12}

Frequently Asked Questions (FAQ)

What is 6x+1<8x+7<6x+9 ?
The solution to 6x+1<8x+7<6x+9 is -3<x<1