Question

resolva a inequaçao de primeiro grau
x+12x<18x

Answer 1

Inequação do 1º grau:
x + 12x< 18x
x + 12x - 18x < 0
13x - 18x < 0
- 5x < 0 . ( - 1 )
5x > 0
x > 0 / 5
x > 0

S = { x E R / x > 0 }

Answer 2

x+12x-18x<0
x-6x<0
-5x<0 -1
5x=0
x=0