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Brut [27]
3 years ago
9

Solve Please |4x-1|= 7

Mathematics
1 answer:
OverLord2011 [107]3 years ago
5 0

Answer:

<h2>x = -1.5 or x = 4</h2>

Step-by-step explanation:

|4x-1|=7\iff4x-1=7\ \vee\ 4x-1=-7\qquad\text{add 1 to both sides}\\\\4x=8\ \vee\ 4x=-6\qquad\text{divide both sides by 4}\\\\x=2\ \vee\ x=-\dfrac{6}{4}\\\\x=2\ \vee\ x=-1.5

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