Question

неравенство
$frac{1 - x}{2} + 3 < 3x - frac{2x + 1}{4}$

Answer 1

$frac{1 - x}{2} + 3 < 3x - frac{2x + 1}{4} /cdot4\2(1-x)+12<12x-(2x+1)\2-2x+12<12x-2x-1\-2x-12x+2x<-1-2-12\-12x<-15 /:(-12)\x>frac{5}{4}\ xin(frac{5}{4};+infty)$