Question

Tìm x:

\(\dfrac{7}{5}\)x-\(\dfrac{2}{3}\)=\(-\dfrac{4}{3}\)x-\(\dfrac{1}{4}\)

 

Answer 1

`7/5 x -2/3 = -4/3x -1/4`

`=> 7/5x +4/3x = -1/4 +2/3`

`=> (7/5 +4/3) x = -3/12 + 8/12`

`=> 41/15 x= 5/12`

`=> x= 5/12 : 41/15`

`=> x= 5/12 xx 15/41`

`=>x=41/36`

Answer 2

\(\dfrac{7}{5}x-\dfrac{2}{3}=-\dfrac{4}{3}x-\dfrac{1}{4}\)

\(\Rightarrow\dfrac{7}{5}x+\dfrac{4}{3}x=-\dfrac{1}{4}+\dfrac{2}{3}\)

\(\Rightarrow\dfrac{41}{15}x=\dfrac{5}{12}\)

\(\Rightarrow x=\dfrac{5}{12}:\dfrac{41}{15}\)

\(\Rightarrow x=\dfrac{5}{12}\cdot\dfrac{15}{41}\)

\(\Rightarrow x=\dfrac{41}{36}\)