Question

5/8 . x - 0,75 + 15% . x =17 1/2

Answer 1

\(\dfrac{5}{8}x-0,75+\dfrac{3}{20}x=\dfrac{35}{2}\\ \dfrac{31}{40}x-0,75=\dfrac{35}{2}\\ \dfrac{31}{40}x=\dfrac{35}{2}+\dfrac{3}{4}\\ \dfrac{31}{40}x=\dfrac{73}{4}\\ x=\dfrac{73}{4}:\dfrac{31}{40}\\ x=\dfrac{730}{31}\)

Answer 2

=>5/8x+3/20x=17+1/2+3/4=73/4

=>31/40x=73/4

hay x=730/31