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प्रश्न
Solve the following inequation:
7x – 25 ≤ – 4
उत्तर
7x – 25 ≤ – 4
Adding 25 on both sides, we get
7x – 25 + 25 ≤ – 4 + 25
∴ 7x ≤ 21
Dividing both sides by 7, we get
x ≤ 3
∴ x takes all real values less or equal to 3.
∴ Solution Set = `(- ∞, 3]`
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