# style=l1: linear I.

present=4
ranget=[-8:8]

ind=!randitem 1,2
in1=!item $ind of <,>
in2=!item $ind of >,<

a=!randitem 2,4,5,7,-2,-4,-5,-7
b=!randitem 2,4,5,7,-2,-4,-5,-7
c=!randitem 3,-3

ineq=!rawmath $a*x+$b*y $in1 $c,\
 $a*x+$b*y $in2 $c,\
 $a*x+$b*y $in1 $[-($c)],\
 $a*x+$b*y $in2 $[-($c)]

plotf=$b*t+($[$c/$a]),$[-$a]*t;\
 $b*t+$[$c/$a],$[-$a]*t;\
 $b*t+$[-$c/$a],$[-$a]*t;\
 $b*t+$[-$c/$a],$[-$a]*t;

