himpunan penyelesaian dari |3x+4| - |3-x| = -1

(3x + 4) - (3-x) = -1
(3x - x) - (4+3) = -1
2x - 7 = -1
2x = -1+7
2x = 6
x = 6/3
x = 2
jadi, Hp = 2

smg membantu:)