`7/4 . x (33/12+3333/2020+333333/303030+33333333/42424242)=22`
`=>7/4 . x(33/12+(3333:101)/(2020:101)+(333333:10101)/(3030300:10101)+(33333333:1010101)/(42424242:1010101))=22`
`=>7/4 . x(33/12+33/20+33/30+33/42)=22`
`=>7/4 . x(11/4+33/20+11/10+11/14)=22`
`=>7/4 . x(55/20+33/20+22/20+11/14)=22`
`=>7/4 . x(110/20+11/14)=22`
`=>7/4 . x(11/2+11/14)=22`
`=>7/4 . x(77/14+11/14)=22`
`=>7/4 . x . 44/7=22`
`=>11x=22`
`=>x=22/11=2`