`5/8xx x+1/2xx x=3/4`
`9/8xx x=3/4`
`x=3/4:9/8`
`x=2/3`
`5/8xx x+1/2xx x=3/4`
`(5/8+1/2)xx x=3/4`
`(5/8+4/8)xx x=3/4`
`9/8xx x=3/4`
`x=3/4:9/8`
`x=3/4xx8/9=2/3`
`5/8 xx x + 1/2 xx x = 3/4`
`=> (5/8 + 1/2) xx x = 3/4`
`=> 9/8 xx x = 3/4`
`=> x = 3/4 : 9/8`
`=> x = 3/4 xx 8/9`
`=> x = 2/3`
\(\dfrac{5}{8}xX+\dfrac{1}{2}xX=\dfrac{3}{4}\)
\(=>\left(\dfrac{5}{8}+\dfrac{1}{2}\right)xX=\dfrac{3}{4}\)
\(=>\dfrac{9}{8}xX=\dfrac{3}{4}\)
\(=>X=\dfrac{3}{4}:\dfrac{9}{8}\)
\(=>X=\dfrac{2}{3}\)