`x*sqrt(a) - a = x*sqrt(b) - b`
`x*(sqrt(a) - sqrt(b)) = a - b`
`x = (a-b)/(sqrt(a) - sqrt(b))`
`x = (a-b)*(sqrt(a) + sqrt(b))/((sqrt(a) - sqrt(b))*(sqrt(a) + sqrt(b)))`
`x = (a-b)*(sqrt(a) + sqrt(b))/(a-b)`
`x = sqrt(a) + sqrt(b)`
Sonstiger Berufsstatus, Punkte: 224