Explain the difference in meaning between l-3l and -3.

The difference between the two is.. one with the lines in front of it is called absolute value. the other one is -3 which is -3. but the lines in absolute value make it positive so now .. the difference between the two is one is positive and the other is negative 3

Answer 1 and there both 3 so you times it

The equation that has 1 solution is D. W=1