(2535234523434532455353245455345353567567786785x)+45656767567566567(467566756765674574657898775542554656673464567564546564675465645654654654y)-(35756653536644556675475698787634543244367567566754756756874u-445666756757567756756756764645455464565466567776786786777567367456567a)=42
Dude, someone would never assign that type of question. You probably made it up to give us a hard time. If you want to post something, post a question with meaning.
It ks solve able i took alot of time n only half throuh i got 4.700291133*10^11