Explicație pas cu pas:
[tex]2(x - 1) < - 6 \\ 2x - 2 < - 6 \\ 2x < - 6 + 2 \\ 2x < - 4 \\ x < - 4 \div 2 \\ x < - 2[/tex]
x = ( - infinit ; - 2 )
[tex]3 + 2(x + 2) < 5 \\ 3 + 2x + 4 < 5 \\ 2x + 7 < 5 \\ 2x < 5 - 7 \\ 2x < - 2 \\ x < - 2 \div 2 \\ x < - 1[/tex]
x= ( - infinit ; - 1 )
