How do you know which way to point the inequality sign? Like with the question 21>15+2a
(1) Answers
21 > 2a + 15 - 15 - 15 6 > 2a 2 2 3 > a a < 3 Solution Set: (-∞, 3)
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21 > 2a + 15 - 15 - 15 6 > 2a 2 2 3 > a a < 3 Solution Set: (-∞, 3)