\(\dfrac{11}{8}+\dfrac{13}{6}=\dfrac{35}{x}\\ \Leftrightarrow\dfrac{11.3+13.4}{24}=\dfrac{35}{x}\\ \Leftrightarrow\dfrac{85}{24}=\dfrac{35}{x}\\ \Leftrightarrow x=\dfrac{35.24}{85}=\dfrac{168}{17}\)
\(\dfrac{11}{8}+\dfrac{13}{6}=\dfrac{35}{x}\)
⇒\(\dfrac{85}{24}=\dfrac{35}{x}\)
⇒\(x=\dfrac{24.35}{85}=\dfrac{840}{85}=\dfrac{168}{17}\)