`(1/3+2/5):x=11/120`
`=> (5/15+6/15):x=11/120`
`=> 11/15:x=11/120`
`=> x=11/15:11/120`
`=> x=8`
\(\left(\dfrac{1}{3}+\dfrac{2}{5}\right)
:
x=\dfrac{11}{120}\)
\(\dfrac{11}{15}
:
x=\dfrac{11}{120}\)
\(x=\dfrac{11}{15}
:
\dfrac{11}{120}\)
\(x=\dfrac{1320}{165}=8\)
\(\left(\dfrac{1}{3}+\dfrac{2}{5}\right):x=\dfrac{11}{120}\)
\(\dfrac{11}{15}:x=\dfrac{11}{120}\)
\(x=\dfrac{11}{15}:\dfrac{11}{120}\)
\(x=8\)