Answer:
no solution.
Explanation:
2x + 3x + 9 < 5x - 7
5x + 9 < 5x - 7
5x + 9 - 9 < 5x - 7 - 9
5x < 5x - 16
5x - 5x < 5x - 16 - 5x
0 < - 16 - ∅ (no solution).
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