2x/5+3y/10=3 2x/5=3-3y/10 Let y=0 2x/5=3-3*0/10 2x/5=3-0 2x=3*5=15,x=15/2=7.5 Let y =1 2x/5=3-3*1/10 2x=3-3/10*5 2x=3-3/2 X=3-3/2*2 X=0 Let y=-1 2x/5=3-3*-1/10 2x=3-3*-1/10*5 2x=3+3/2 x=6 Let y =2 2x/5=3-3*2/10 2x/5=3-6/10 2x=-3/10*5 x=-3/4=0.75 So SOLUTION are (0,1) ,(6,-1) ,(0.75,2)