To answer this question, we simplify the given expressions.
Notice that:
[tex]\begin{gathered} x\cdot1+85=1x+85, \\ 1+x-85=x-84\ne1x+85, \\ 1x+85, \\ 85+x\cdot1=1x+85. \end{gathered}[/tex]Therefore, the expression that is not equivalent to 1x+85 is:
[tex]1+x-85.[/tex]Answer:
[tex]1+x-85.[/tex]