Question

60 pontos!!me ajudem nessas equacoes a) 4x+2<4+2+4 b)6x+3<2+5+3-2 c)x+2<6+3 d) x+4>3+5 e) 9 >6+x (por favor quero resposta completa)

Answer 1

$4x+2< 4+4+2 \\4x< 4+4+2-2 \\ 4x<8 \\ x< \frac{8}{4} \\ \\\boxed{x< 2} \\ \\ \\ 6x+3<2+5+3-2 \\ 6x< 2+5+3-2-3 \\ 6x<10-5 \\ 6x< 5 \\ \\ \boxed{x< \frac{5}{6}}$ 


$x+2< 6+3 \\ x< 6+3-2 \\ \boxed{x< 7} \\ \\ \\ x+4> 3+5 \\ x> 3+5-4 \\ \boxed{x> 4} \\ \\ \\ 9> 6+x \\ 9-6>x \\ \boxed{3>x}$