44+(а-85)=105
175+(х-37=108
243-(у+83)=112
69+(87-h)=103

44+(a-85)=105a-85=105-44a-85=61a=61+85a=146243-(y+83)=112y+83=243-112y+83=131y=131-83y=4869+(87-h)=10387-h=103-6987-h=34h=87-34h=53