Question

inequacoes modulares:a) |2x-1| >3 b) |3x-4|<2

Answer 1

$a) \\ |2x-1| \ \textgreater \ 3 \\ |2x|\ \textgreater \ 4 \\ |x|\ \textgreater \ 2 \\ x\ \textless \ -2 \\ ou \\ x\ \textgreater \ 2 \\ \\ b) \\ |3x-4|\ \textless \ 2 \\ |3x|\ \textless \ 6 \\ |x|\ \textless \ 2 \\ -2\ \textless \ x\ \textless \ 2$