Answer:
$18000
Step-by-step explanation:
let x be the amount invested in bonds then 8000 less than three times the amount in stocks is 3x - 8000, hence
3x - 8000 = 46000 ( add 8000 to both sides )
3x = 54000 ( divide both sides by 3 )
x = 18000
Laurie has $18000 invested in bonds