Question

Rezolva in R inecuatia dubla:1<3x-2<7

Answer 1

$1<3x-2<7,\;adun\breve{a}m\;pe\;2:\;3<3x<9,\\\\imp\breve{a}r\c{t}im\;cu\;3:\;1<x<3,\;deci\;x\in(1,\;3).$

Green eyes.