Question

Answer 1

\(\dfrac{3}{7}+\dfrac{1}{5}x=\dfrac{1}{2}x-\dfrac{1}{7}\\ \dfrac{1}{2}x-\dfrac{1}{5}x=\dfrac{3}{7}+\dfrac{1}{7}\\ \dfrac{3}{10}x=\dfrac{4}{7}\\ x=\dfrac{40}{21}\)

Answer 2

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

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

`=> 4/7=(3x)/10`

`=> 21x=40`

`=> x=40/21`