Решите уравнение: 5-(1-(2х-5))=2009

Question

Решите уравнение:
5-(1-(2х-5))=2009

Answer 1

5-(1-2х+5)=2009; 5-1+2х-5=2009; 2х=5-1-5+2009; 2х=2008; х=2008÷2; х=1004

Answer 2

5-(1-(2х-5))=2009
5-1+(2х+5)=2009
5-1+2х+5=2009
4+2х+5=2009
2х=2009-4-5
2х=2000
х=2000:2
х=1000