Mathematics
Solve the inequality 18 - 3 (2x - 5) > 12 ; x ∈ W.
Linear Inequations
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Answer
18 - 3 (2x - 5) > 12
⇒ 18 - 6x + 15 > 12
⇒ 33 - 6x > 12
⇒ - 6x > 12 - 33
⇒ - 6x > - 21
⇒ 6x < 21
⇒ x <
⇒ x < 3.5
∵ x is a whole number.
Hence, solution set = {0, 1, 2, 3}.
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