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asked Jan 24, 2017 138k views

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Victor Domingos · Answer 1 · 2017-01-28T07:28:51+0000

7x-9 < 12 add 9 to both sides 7x < 21 divide both sides by 7 X < 3 X is less than 3 1/4x+8 > 11 subtract both sides by 8 1/4x > 3 multiply both sides by 4 X > 12 X is greater than 12 X <3 or X > 12

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