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solve |1 - 4x| > 7 a. x b. x c. -1.5 < x < 2
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solve |1 - 4x| > 7 a. x b. x < -1.5 ∪ x > 2 c. -1.5 < x < 2

User Elliot Lings
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|1 - 4x| > 7
(1 - 4x) > 7 or (1 - 4x) < -7
-4x > 7 - 1 or -4x < -7 - 1
-4x > 6 or -4x < -8
x < 6/-4 or x > -8/-4
x < -1.5 or x > 2
x
User Ernestocattaneo
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