4 + 7x – 2
Step-by-step explanation:
Equivalent Expressions
Let's find out which expressions are equivalent by simplifying them. One of the expressions should be not equivalent to the other three.
Simplifying
![2x + 2+ 2x + 3x -8=7x-6](/tpl/images/0549/0739/ca0e3.png)
Now for the second expression
![4 + 7x -2=7x+2](/tpl/images/0549/0739/2b9ba.png)
The third expression simplifies to
![-2 + 5x + 2x - 4=7x-6](/tpl/images/0549/0739/91e83.png)
Finally, this is the simplification for the expression
![8x - x - 6=7x-6](/tpl/images/0549/0739/3ff6b.png)
As seen, the only expression not equivalent to the other three is 4 + 7x – 2