Помогите под цифрой 2 4 и6

2) $3x+1 \leq 4x-5$
   $3x-4x \leq -5-1$
   $-x \leq -6$
   $x \geq 6$
4) $6-5y\ \textgreater \ 3y-2$
   $-5y-3y\ \textgreater \ -2-6$
   $-8y\ \textgreater \ -8$
   $y\ \textless \ 1$
6) $\frac{x}{6} + \frac{1}{2} \ \textgreater \ x- \frac{1}{3}$
   $6* \frac{x}{6} +6* \frac{1}{2} \ \textgreater \ 6x-6* \frac{1}{3}$
   $x+3\ \textgreater \ 6x-2$
   $x-6x\ \textgreater \ -2-3$
   $-5x\ \textgreater \ -5$
   $x\ \textless \ 1$