Question

[Lê Phương Lê]

x+1-10+900=100000

Answer 1

[Lê Phương Lê]

=...........................................................................................................................................

Answer 2

[Yeutoanhoc]

`x+1-10+900=100000`

`x-9+900=100000`

`x=100000-900+9`

`x=99100+9`

`x=99109`

Vậy `x=99109`