Помогите! Я 2 часа голову ломаю! Вы можете мне помочь?! 55

Question 1

Помогите! Я 2 часа голову ломаю! Вы можете мне помочь?!
55

Question 2

1) $\left \{ {{3(x-1)\ \textless \ x-3} \atop {5(x+3)\ \textgreater \ 2x+3}} \right.$
$\left \{ {{3x-3\ \textless \ x-3} \atop {5x+15\ \textgreater \ 2x+3}} \right.$
$\left \{ {{3x\ \textless \ x} \atop {5x-2x\ \textgreater \ 3-15}} \right.$
$\left \{ {{3x-x\ \textless \ 0} \atop {3x\ \textgreater \ -12}} \right.$
$\left \{ {{2x\ \textless \ 0} \atop {x\ \textgreater \ -4}} \right.$
$\left \{ {{x\ \textless \ 0} \atop {x\ \textgreater \ -4}} \right.$
$x$ ∈ $(-4, 0)$
2) $\left \{ {{2(y-2)\ \textless \ 3y+1} \atop {5(y+1)\ \textgreater \ 4y+3}} \right.$
   $\left \{ {{2y-4\ \textless \ 3y+1} \atop {5y+5\ \textgreater \ 4y+3}} \right.$
   $\left \{ {{2y-3y\ \textless \ 1+4} \atop {5y-4y\ \textgreater \ 3-5}} \right.$
   $\left \{ {{-y\ \textless \ 5} \atop {y\ \textgreater \ -2}} \right.$
   $\left \{ {{y\ \textgreater \ -5} \atop {y\ \textgreater \ -2}} \right.$
   $y$ ∈ $(-2, +$ ∞ $)$
3) $\left \{ {{3(2y-3) \leq y+1} \atop {4(3y+1) \leq 5y-10}} \right.$
   $\left \{ {{6y-9 \leq y+6} \atop {12y+4 \geq 5y-10}} \right.$
   $\left \{ {{5y-y \leq 6+9} \atop {12y-5y \geq -10-4}} \right.$
   $\left \{ {{5y \leq 15} \atop {7y \geq -14}} \right.$
   $\left \{ {{y \leq 3} \atop {y \geq -2}} \right.$
   $y$ ∈ $[-2, 3]$
4) $\left \{ {{2(3x+2)\ \textgreater \ 5(x-1)} \atop {7(x+2)\ \textless \ 3(2x+3)}} \right.$
   $\left \{ {{6x+4\ \textgreater \ 5x-5} \atop {7x+14\ \textless \ 6x+9}} \right.$
   $\left \{ {{6x-5x\ \textgreater \ -5-4} \atop {7x-6x\ \textless \ 9-14}} \right.$
   $\left \{ {{x\ \textgreater \ -9} \atop {x\ \textless \ -5}} \right.$
   $x$ ∈ $(-9, -5)$