950N

120

=>\(\left(\frac{9}{20}+\frac{9}{30}+\frac{9}{4}+111\right)+\frac{9}{2}\left(x+1\right)=\frac{3}{2}\)

=>\(114+\frac{9}{2}\left(x+1\right)=\frac{3}{2}\)

=>\(\frac{9}{2}\left(x+1\right)=\frac{-111}{2}\)

=>x+1=\(-\frac{37}{3}\)

=>x=\(-\frac{40}{3}\)