131-132 пожалуйста) буду очень благодарна♥

131.1) $left { {{x-3 leq 3x-1} atop {x+1 leq 4}} right. left { {{-2 leq 2x} atop {x leq 3}} right. left { {{x geq -1} atop {x leq 3}} right.$
ответ: -1≤x≤3 или x∈ [-1;3]
131.2) $left { {{3x+1 textgreater x+5} atop {5x-4 textgreater 6}} right. left { {{2x textgreater 4} atop {5x textgreater 10}} right. left { {{x textgreater 2} atop {x textgreater 2}} right.$
ответ: x>2 или x∈ (2;+∞]
131.3) $left { {{x+1 leq 7} atop {4x textgreater 3x-2}} right. left { {{xleq 6} atop {x textgreater -2}} right.$
ответ: -2
132.1) $left { {{17x-2 textgreater x-4} atop {3x-9 textless 1-x}} right. left { {{16x textgreater -2} atop {4x textless 10}} righ left { {{x textgreater -1/8} atop {x textless 5/2}} righ righ left { {{x textgreater - frac{1}{8} } atop {x textless 2frac{1}{2}}} righ$
ответ: -1/8
132.2) $left { {{25-6x leq 4+x} atop {3x+7,7 textgreater 1+4x}} right. left { {{21 leq 7x} atop {6,7 textgreater x}} right. left { {{x geq 3} atop {x textless 6,7}} right.$
ответ: 3≤x<6,7 или x∈ [3;6,7)

132.3) $left { {{2x-5 geq 4-x} atop {7-3x textless 12+x}} right. left { {{3x geq 9} atop {-5 textless 4x}} right. left { {{x geq 3} atop {x textgreater -5/4}} right. left { {{x geq 3} atop {x textgreater -1,25}} right.$
ответ: x≥3 или x∈ [3;+∞)