10. |3x – 1| + |x| + |X +3|> 7Jawab:​

|3x – 1| + |x| + |x + 3| > 7

3x – 1 + x + x + 3 > 7

3x + 2x – 1 + 3 > 7

5x > 7 + 1 – 3

5x > 5

x > 1