Answer:
2
Explanation:
{-3, 6}
|2x -3| = 9 resolves into two equations:
2x -3 = -9 ⇒ x = (3 -9)/2 = -3
2x -3 = 9 ⇒ x = (3 +9)/2 = 6
The solutions are ...
x = {-3, 6}
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