Ответ:
1) x∈(9;+∞)
2) x∈(-∞;2)
Объяснение:
1)
25} \atop {1-x<0}} \right." alt="\left \{ {{3x-2>25} \atop {1-x<0}} \right." align="absmiddle" class="latex-formula">
27} \atop {x>1}} \right." alt="\left \{ {{3x>27} \atop {x>1}} \right." align="absmiddle" class="latex-formula">
9} \atop {x>1}} \right." alt="\left \{ {{x>9} \atop {x>1}} \right." align="absmiddle" class="latex-formula">
x > 9
x∈(9;+∞)
2)
0} \atop {0,2x-1<0}} \right." alt="\left \{ {{2-x>0} \atop {0,2x-1<0}} \right." align="absmiddle" class="latex-formula">
x} \atop {0,2x<1}} \right." alt="\left \{ {{2>x} \atop {0,2x<1}} \right." align="absmiddle" class="latex-formula">
x < 2
x∈(-∞;2)