Question

Tìm STN x sao cho :\(\dfrac{x+2019=4038}{x+2018=4037}\)

Answer 1

\(\dfrac{x+2019}{x+2018}=\dfrac{4038}{4037}\)

=>\(\dfrac{x+2018+1}{x+2018}=1+\dfrac{1}{4037}\)

=>\(1+\dfrac{1}{x+2018}=1+\dfrac{1}{4037}\)

=>x+2018=4037

=>x=2019

Answer 2

x+2019​=40374038​

=>𝑥+2018+1𝑥+2018=1+14037x+2018x+2018+1​=1+40371​

=>1+1𝑥+2018=1+140371+x+20181​=1+40371​

=>x+2018=4037

=>x=2019

 

Answer 3

15 phút trước  

𝑥+2019𝑥+2018=40384037x+2018x+2019​=40374038​

=>𝑥+2018+1𝑥+2018=1+14037x+2018x+2018+1​=1+40371​

=>1+1𝑥+2018=1+140371+x+20181​=1+40371​

=>x+2018=4037

=>x=2019

Answer 4

X=2019