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Popular >

7| n/3 |-9<12

Solution

7 \frac{n}{3} - 9 < 12

Solution

- 9 < n < 9

+1

Interval Notation

(- 9, 9)

Solution steps

7 \frac{n}{3} - 9 < 12

Move

9

to the right side

7 \frac{n}{3} < 21

Divide both sides by

7

\frac{n}{3} < 3

Apply absolute rule: If

∣ u ∣ < a, a > 0

then

- a < u < a

- 3 < \frac{n}{3} < 3

\frac{n}{3} > - 3 and \frac{n}{3} < 3

n > - 9 and n < 9

Merge Overlapping Intervals

- 9 < n < 9

Popular Examples

simplify (100(50304))/(1394969)simplify

\frac{100 ( 50304 )}{1394969}

- 5 y - 25 = - 40

factor a^2+a-42 factor

a^{2} + a - 42

3 x^{2} + 2 x - 1 > 0

- 3 + a < - 7

Frequently Asked Questions (FAQ)

What is 7| n/3 |-9<12 ?
The solution to 7| n/3 |-9<12 is -9<n<9