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Question
Solve and graph the solution set on a number line: 8x – 8 ≤ – 24 ; x ∈ Z
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Solution
8x – 8 ≤ – 24
⇒ 8x - 8 + 8 ≤ - 24 + 8 ..(Adding 8 to both sides)
⇒ 8x ≤ -16
⇒ `"8x"/8 <= (-16)/8` ..(Dividing both sides by 8)
⇒ x ≤ -2
∴ The required graph is:
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