Question

Tìm x: x- (\(\dfrac{2+2+2+2 }{3+15+35+63}\))= \(\dfrac{1}{9}\)

Answer 1

Có: \(x=\dfrac{1}{9}+\dfrac{8}{116}=\dfrac{1}{9}+\dfrac{2}{29}=\dfrac{47}{261}\)

Answer 2

\(x-\left(\dfrac{2+2+2+2}{3+15+35+63}\right)=\dfrac{1}{9}\)

\(\Leftrightarrow x=\dfrac{1}{9}+\dfrac{2}{29}=\dfrac{47}{261}\)