Solve the Inequality $$| 7 x + 9 | - 3 < 3$$

Solve the inequality. Write the solution set in interval notation.
- $$| 7 x + 9 | - 3 < 3$$

A) $\left( - \frac { 15 } { 7 } , - \frac { 3 } { 7 } \right)$
B) $\varnothing$
C) $\left\{ - \infty , - \frac { 15 } { 7 } \right) \cup \left( - \frac { 3 } { 7 } , \infty \right)$
D) $\left( - \infty , - \frac { 15 } { 7 } \right)$

Correct Answer:

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