Question

6(3,4+x)-4,2>x+1
решите неравенство

Answer 1

$6\cdot (3,4+x)-4,2\ \textgreater \ x+1\\\\20,4+6x-4,2\ \textgreater \ x+1\\\\5x\ \textgreater \ 17,2\\\\x\ \textgreater \ 3,44\\\\x\in (3,44\; ;\; +\infty )$