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The solution set of 7x + 3 < 5x + 9 is written in interval form as
A[3, ∞)
B(-∞, 3)
C(-∞, 3]
D(3, ∞)
Answer & Solution
Correct answer: B. (-∞, 3)
Simplifying gives 2x < 6, so x < 3, which is the open interval (-∞, 3).
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