3+0.2x/0.2-0.2+0.3x/0.01=0.753+x-0.2+30x=0.7531x=0.75-2.8x=-0.066
31x=0.75+0.2-331x=-2.05x=-41/620
3+0.2x/0.2-0.2+0.3/0.01=0.756+30+2X-0.4+60X=1.5X=0.55