\frac{9}{7},\quad \frac{9}{7}\approx 1,3\\\\-3a>-8,\quad a<\frac{8}{3},\quad \frac{8}{3}\approx 2,7\\\\\frac{9}{7}<a<\frac{8}{3}" alt="-7a<-9,\quad a>\frac{9}{7},\quad \frac{9}{7}\approx 1,3\\\\-3a>-8,\quad a<\frac{8}{3},\quad \frac{8}{3}\approx 2,7\\\\\frac{9}{7}<a<\frac{8}{3}" align="absmiddle" class="latex-formula">
Целое а=2.