Question

[1-2*(x-1)]<2 alguem me ajuda

Answer 1

$1-2.(x-1)<2\\ 1-2x+2<2\\ -2x<\not2-\not2-1\\ -2x<-1\\ \\ multiplicar~~por~~(-1)~~troca~~todos~~os~~sinai\\ \\ 2x>1\\ x>\frac{1}{2} \\ \\ S=\{x\in R/x>\frac{1}{2} \}$