[tex]2016\times [16+(42: $ X $-5):2]=9 \\ \\ 16+(42:$ X $-5):2 = \dfrac{9}{2016} \\ \\ (42:$ X $-5):2 = \dfrac{9}{2016}-16 \\ \\ 42:$ X $-5 = 2\times\Big{(}\dfrac{9}{2016}-16\Big{)} \\ \\ 42:$ X $-5 = \dfrac{9}{1008}-32 \\ \\ 42:$ X $ = \dfrac{9}{1008}-32+5 \\ \\ 42:$ X $= \dfrac{9}{1008}-27 \\ \\ $X $=\dfrac{42}{\dfrac{9}{1008}-27} \Rightarrow $ X $ = \dfrac{42}{\dfrac{1}{112}-27} \Rightarrow [/tex]
[tex]\Rightarrow $ X $= \dfrac{42}{\dfrac{1-3024}{112}} \Rightarrow $ X $ = \dfrac{42\times 112}{-3023} \Rightarrow $ X $ = \dfrac{4704}{-3023} \Rightarrow $ X $ =-1,55607013[/tex]
