If the straight line $2 x+3 y+1=0$ bisects the angle between two other straight lines one of which is $3 x+2 y+4=0$, then the equation of the other straight line is
- A
$3 x+16 y-7=0$
- B
$9 x+46 y-28=0$
- C
$9 x-23 y-26=0$
- D
$18 x-23 y+15=0$
✓ Correct answer: B
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