18-5(х+3)болььше1-7х помогите срочно сегодня надо принести в школу)

1-7x" alt="18-5(x+3) >1-7x" align="absmiddle" class="latex-formula">

1-7x" alt="18-5x-15>1-7x" align="absmiddle" class="latex-formula">

1-7x" alt="3-5x>1-7x" align="absmiddle" class="latex-formula">

1-3" alt="-5x+7x>1-3" align="absmiddle" class="latex-formula">

-2" alt="2x>-2" align="absmiddle" class="latex-formula">

-2:2" alt="x>-2:2" align="absmiddle" class="latex-formula">

-1" alt="x>-1" align="absmiddle" class="latex-formula">
х є $(-1;+\infty)$