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3x +4 ≤ 8
3x≤4
x ≤ 4/3
|3x+4|≤ -8
3x +4 ≤ -8
3x ≤-12
x≤ -4
d. |2x-5|>7
2x-5>7
2x>12
x>6
|2x-5|>-7
2x-5>-7
2x>-2
x>-1