Question

Which of these expressions is NOT equivalent to 1x + 85?Select the correct answer below:x X 1 + 851 + x - 851X +8585 + x . 1

Answer 1

To answer this question, we simplify the given expressions.

Notice that:

`\begin{gathered} x\cdot1+85=1x+85, \\ 1+x-85=x-84\\e1x+85, \\ 1x+85, \\ 85+x\cdot1=1x+85. \end{gathered}`

Therefore, the expression that is not equivalent to 1x+85 is:

`1+x-85.`

Answer:

`1+x-85.`