2(4x-3)} \atop {(x+3)(x-4) >2(x+4)(x-5)}} \right." alt="\left \{ {4(2x-5) >2(4x-3)} \atop {(x+3)(x-4) >2(x+4)(x-5)}} \right." align="absmiddle" class="latex-formula">
8x-6} \atop {x^{2}-x-12 >x^{2}-x-20}} \right." alt="\left \{ {{8x-10>8x-6} \atop {x^{2}-x-12 >x^{2}-x-20}} \right." align="absmiddle" class="latex-formula">
x∈∅
x∈R ⇒ Ответ: х∈∅