Question

3 x - 4 < x + 12 me ajudem pfv 15 pts pra quem conseguir

Answer 1

3 x - 4 < x + 12
3x - x < 12 + 4
2x < 16
x < 16/2
x < 8

R.: {x E R / x < 8}

Answer 2

3.x - 4 < x + 12

3.x - x < 12 + 4

2.x < 16

x < 16 : 2

x < 8

(Resposta) : S = { x l x < 8}