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Question
Solve: −4x > 30, when x ∈ Z
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Solution
\[- 4x > 30\]
\[ \Rightarrow x < - \frac{30}{4} (\text{ Dividing both the sides by } - 4)\]
\[ \Rightarrow x < - \frac{15}{2}\]
\[ x \in Z\]
\[\text{ Then, the solution of the given inequation is } \left\{ . . . . . . . . . . - 9, - 8 \right\} . \]
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