\(x:54+x:16=217\)
\(x:\left(54+16\right)=217\)
\(x:80=217\)
\(x=217\cdot80\)
\(x=17360\)
Tick nha!
\(x.\dfrac{1}{54}+x.\dfrac{1}{16}=217\)
\(x.\left(\dfrac{1}{54}+\dfrac{1}{16}\right)=217\)
\(x.\dfrac{35}{432}=217\)
\(x=217:\dfrac{35}{432}\)
\(x=2678,4\)
x/54+x/16=217
x/(54+16)=217
x/70=217
x=15190