Resposta:
Explicação passo a passo:
3 ( x+1) < 11
3x + 3< 11
3x < 11 - 3
3x < 8
x < 8/3
x < 2,66666
[tex]x<\frac{8}{3}[/tex]
[tex]x<2,666666...[/tex]
[tex]3 \ . \ (x+1)<11\\\\\frac{3(x+1)}{3} <\frac{11}{3} \\\\x+1<\frac{11}{3} \\\\x+1-1<0\\\\x<\frac{11}{3} -1\\\\x<\frac{8}{3}[/tex]
