Answer:
Step-by-step explanation:
[tex]|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[/tex]
