3 - 2x > 17 subtract 3 from both sides
-2x > 14 change the signs
2x < -14 divide both sides by 2
x < -7
or
5x - 3 > 17 add 3 to both sides
5x > 20 divide both sides by 5
x > 4
Solution: x < -7 or x > 4 → x ∈ (-∞, -7) ∪ (4, ∞) or the graph in the answer A.
Answer: D.
