Question

\(\dfrac{2x-9}{240}=\dfrac{39}{80}\)

Answer 1

\(\dfrac{2x-9}{240}=\dfrac{117}{240}\)

=> 2x -9=117

2x=117+9

2x=126

x=126/2

x=63

Answer 2

\(\dfrac{2x-9}{240}\)=\(\dfrac{117}{240}\)

►2x-9=117

2x=117+9

2x=126

x=126:2

x=63

Vậy:x=63

Answer 3

\(\dfrac{2x-9}{240}=\dfrac{39}{80}=\dfrac{117}{240}\)

\(\Rightarrow2x-9=117\)

\(2x=117-9\)

\(2x=108\)

\(x=108:2\)

\(x=54\)

Vậy: \(x=54\)

Answer 4

Mk nhầm rồi sorry nhé

Answer 5

\(\dfrac{2x-9}{240}=\dfrac{39}{80}=\dfrac{117}{240}\)

\(\Rightarrow2x-9=117\)

\(2x=117+9\)

\(2x=126\)

\(x=126:2\)

\(x=63\)

Vậy: \(x=63\)