[tex]627+\frac{a}{32}+7\times \:49-135-152=756 \\ 627+\frac{a}{32}+343\times \:-135-152=756 \\ \frac{a}{32}-135-152+343\times \:+627=756 \\ \frac{a}{32}+340+343\times \:=756 \\ \frac{a}{32}+340=413 \\ \frac{a}{32}=73 \\ \frac{a}{32}=73[/tex][tex] \\ a=2336[/tex]