\(x-\dfrac{5}{7}=\dfrac{3}{5}\times\dfrac{1}{2}\)
\(x-\dfrac{5}{7}=\dfrac{3}{10}\)
\(x=\dfrac{3}{10}+\dfrac{5}{7}\)
\(x=\dfrac{71}{70}\)
\(=>x=\left(\dfrac{3}{5}\times\dfrac{1}{2}\right)+\dfrac{5}{7}=\dfrac{3}{10}+\dfrac{5}{7}=\dfrac{71}{70}\)
x-5/7=3/10
x=3/10+5/7
x=3/10+50/70
x=53/70