Question

x-256873=482369
234651+x=852134
x:25=35687
15*x=12645

Answer 1

1)x-256873=482369
x=482369+256873
x=739242
2)234651+x=852134
x=852134-234651
x=617483
3)x:25=35687
x=35687*25
x=892175
4)15*x=12645
x=12645:15
x=843