So far, I have gone from the original problem

6<5x-7,5>-8<12,7-3y>= -10<5x+2,6y-1>

to here:

<30x-42,30>-<96,56+24y>=<-50x+20,-60y+10>

<(30x-42)-(96),(30)+ (56+24y)>=<-50x+20,-60y+10>

Am i right? I think the answers are x=59/40 and y=3/7

I have no clue what to do?