`#Natsu`
`43/x + 2/3 + 100/x = 163/x`
`43/x + 2/3 + 100/x = 163/x`
`43/x + 2/3 + 100/x - 2/3 = 163/x - 2/3`
`43/x + 100/x = 163/x - 2/3`
`43/x + 100/x = 163/x - 2/3`
`x(43/x + 100/x) = x(163/x - 2/3)`
`143=163 +` `\frac{-2x}{3}`
`143 - 163 = 163 +` `\frac{-2x}{3}` `-163`
`-20 =` `\frac{-2x}{3}`
`3(-20)=3.` `\frac{-2x}{3}`
`-60=-2x`
`\frac{-60}{-2}` =` \frac{-2x}{-2}`
`x=30`