Question

Inequação


$\frac{x}{x-3}$ < 4

Answer 1

x/x-3<4 => x<4.(x-3) => x<4x-12 => x-4x<-12 => -3x<-12 => -3x.-1>-12.-1 => 3x>12 => x>12/3 => x> 4