1,2-0,1x\\\\0,4x>1\\\\x>1:0,4\\\\x>2,5\\\\ \left \{ {{x>2,5} \atop {x\in (-1,4)}} \right. \; \; \to \; \; x\in [\, 2,5\; ;\, 4)" alt="0,2+0,3x>1,2-0,1x\\\\0,4x>1\\\\x>1:0,4\\\\x>2,5\\\\ \left \{ {{x>2,5} \atop {x\in (-1,4)}} \right. \; \; \to \; \; x\in [\, 2,5\; ;\, 4)" align="absmiddle" class="latex-formula">