Răspuns :
a-186499+268513=901832-482576
a-186499+268513=419256
a=419256+186499-268513
a=337242
a-186499+268513=419256
a=419256+186499-268513
a=337242
x-186499+268513=901832-482576
x -186499+268513=419256
x-186499=150743
x=337242
x -186499+268513=419256
x-186499=150743
x=337242